CVE-2022-43392 : A buffer overflow vulnerability in the parameter of web server in Zyxel NR7101 f

A buffer overflow vulnerability in the parameter of web server in Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an authenticated attacker to cause denial-of-service (DoS) conditions by sending a crafted authorization request.

Published 2023-01-11 02:15:11

Updated 2023-12-29 07:15:10

Source Zyxel Corporation

View at NVD, CVE.org

Vulnerability category: OverflowDenial of service

Products affected by CVE-2022-43392

Zyxel » Emg3525-t50b Firmware » Version: N/A
cpe:2.3:o:zyxel:emg3525-t50b_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Emg3525-t50b » Version: N/A
Zyxel » Emg5523-t50b Firmware » Version: N/A
cpe:2.3:o:zyxel:emg5523-t50b_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Emg5523-t50b » Version: N/A
Zyxel » Emg5723-t50k Firmware » Version: N/A
cpe:2.3:o:zyxel:emg5723-t50k_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Emg5723-t50k » Version: N/A
Zyxel » Vmg3927-t50k Firmware » Version: N/A
cpe:2.3:o:zyxel:vmg3927-t50k_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Vmg3927-t50k » Version: N/A
Zyxel » Vmg8623-t50b Firmware » Version: N/A
cpe:2.3:o:zyxel:vmg8623-t50b_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Vmg8623-t50b » Version: N/A
Zyxel » Vmg8825-t50k Firmware » Version: N/A
cpe:2.3:o:zyxel:vmg8825-t50k_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Vmg8825-t50k » Version: N/A
Zyxel » Dx5401-b0 Firmware » Version: N/A
cpe:2.3:o:zyxel:dx5401-b0_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Dx5401-b0 » Version: N/A
Zyxel » Ex3510-b0 Firmware
Versions before (<) 5.17\(abup.7\)c0
cpe:2.3:o:zyxel:ex3510-b0_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Ex3510-b0 » Version: N/A
Zyxel » Ex5401-b0 Firmware » Version: N/A
cpe:2.3:o:zyxel:ex5401-b0_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Ex5401-b0 » Version: N/A
Zyxel » Ex5501-b0 Firmware » Version: N/A
cpe:2.3:o:zyxel:ex5501-b0_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Ex5501-b0 » Version: N/A
Zyxel » Ax7501-b0 Firmware » Version: N/A
cpe:2.3:o:zyxel:ax7501-b0_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Ax7501-b0 » Version: N/A
Zyxel » Pm7300-t0 Firmware » Version: N/A
cpe:2.3:o:zyxel:pm7300-t0_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Pm7300-t0 » Version: N/A
Zyxel » Pmg5317-t20b Firmware » Version: N/A
cpe:2.3:o:zyxel:pmg5317-t20b_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Pmg5317-t20b » Version: N/A
Zyxel » Pmg5617ga Firmware » Version: N/A
cpe:2.3:o:zyxel:pmg5617ga_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Pmg5617ga » Version: N/A
Zyxel » Pmg5617-t20b2 Firmware » Version: N/A
cpe:2.3:o:zyxel:pmg5617-t20b2_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Pmg5617-t20b2 » Version: N/A
Zyxel » Pmg5622ga Firmware » Version: N/A
cpe:2.3:o:zyxel:pmg5622ga_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Pmg5622ga » Version: N/A
Zyxel » Dx3301-t0 Firmware » Version: N/A
cpe:2.3:o:zyxel:dx3301-t0_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Dx3301-t0 » Version: N/A
Zyxel » Lte3301-plus Firmware » Version: N/A
cpe:2.3:o:zyxel:lte3301-plus_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Lte3301-plus » Version: N/A
Zyxel » Lte5388-m804 Firmware » Version: N/A
cpe:2.3:o:zyxel:lte5388-m804_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Lte5388-m804 » Version: N/A
Zyxel » Lte5398-m904 Firmware » Version: N/A
cpe:2.3:o:zyxel:lte5398-m904_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Lte5398-m904 » Version: N/A
Zyxel » Lte7240-m403 Firmware » Version: N/A
cpe:2.3:o:zyxel:lte7240-m403_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Lte7240-m403 » Version: N/A
Zyxel » Lte7461-m602 Firmware » Version: N/A
cpe:2.3:o:zyxel:lte7461-m602_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Lte7461-m602 » Version: N/A
Zyxel » Lte7480-m804 Firmware
Versions before (<) 1.00\(abra.6\)c0
cpe:2.3:o:zyxel:lte7480-m804_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Lte7480-m804 » Version: N/A
Zyxel » Lte7480-s905 Firmware » Version: N/A
cpe:2.3:o:zyxel:lte7480-s905_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Lte7480-s905 » Version: N/A
Zyxel » Lte7485-s905 Firmware » Version: N/A
cpe:2.3:o:zyxel:lte7485-s905_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Lte7485-s905 » Version: N/A
Zyxel » Nr5101 Firmware
Versions before (<) 1.00\(abvc.6\)c0
cpe:2.3:o:zyxel:nr5101_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Nr5101 » Version: N/A
Zyxel » Nr7101 Firmware
Versions before (<) 1.00\(abuv.7\)c0
cpe:2.3:o:zyxel:nr7101_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Nr7101 » Version: N/A
Zyxel » Nr7102 Firmware
Versions before (<) 1.00\(abyd.2\)c0
cpe:2.3:o:zyxel:nr7102_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Nr7102 » Version: N/A
Zyxel » Lte7490-m904 Firmware
Versions before (<) 1.00\(abqy.5\)c0
cpe:2.3:o:zyxel:lte7490-m904_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Lte7490-m904 » Version: N/A
Zyxel » Nebula Lte3301-plus Firmware
Versions before (<) 1.15\(acca.3\)c0
cpe:2.3:o:zyxel:nebula_lte3301-plus_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Nebula Lte3301-plus » Version: N/A
Zyxel » Nebula Lte7461-m602 Firmware
Versions before (<) 1.15\(acev.3\)c0
cpe:2.3:o:zyxel:nebula_lte7461-m602_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Nebula Lte7461-m602 » Version: N/A
Zyxel » Nebula Nr5101 Firmware
Versions before (<) 1.15\(accg.3\)c0
cpe:2.3:o:zyxel:nebula_nr5101_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Nebula Nr5101 » Version: N/A
Zyxel » Nebula Nr7101 Firmware
Versions before (<) 1.15\(accc.3\)c0
cpe:2.3:o:zyxel:nebula_nr7101_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Nebula Nr7101 » Version: N/A
Zyxel » Dx4510-b1 Firmware » Version: N/A
cpe:2.3:o:zyxel:dx4510-b1_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Dx4510-b1 » Version: N/A
Zyxel » Ex3301-t0 Firmware » Version: N/A
cpe:2.3:o:zyxel:ex3301-t0_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Ex3301-t0 » Version: N/A
Zyxel » Ex5510-b0 Firmware
Versions before (<) 5.17\(abqx.7\)c0
cpe:2.3:o:zyxel:ex5510-b0_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Ex5510-b0 » Version: N/A
Zyxel » Ex5512-t0 Firmware » Version: N/A
cpe:2.3:o:zyxel:ex5512-t0_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Ex5512-t0 » Version: N/A
Zyxel » Ex5600-t1 Firmware » Version: N/A
cpe:2.3:o:zyxel:ex5600-t1_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Ex5600-t1 » Version: N/A
Zyxel » Ex5601-t0 Firmware » Version: N/A
cpe:2.3:o:zyxel:ex5601-t0_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Ex5601-t0 » Version: N/A
Zyxel » Ex5601-t1 Firmware » Version: N/A
cpe:2.3:o:zyxel:ex5601-t1_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Ex5601-t1 » Version: N/A
Zyxel » Vmg4005-b50a Firmware » Version: N/A
cpe:2.3:o:zyxel:vmg4005-b50a_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Vmg4005-b50a » Version: N/A
Zyxel » Vmg4005-b60a Firmware » Version: N/A
cpe:2.3:o:zyxel:vmg4005-b60a_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Vmg4005-b60a » Version: N/A
Zyxel » Pm3100-t0 Firmware » Version: N/A
cpe:2.3:o:zyxel:pm3100-t0_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Pm3100-t0 » Version: N/A
Zyxel » Pm5100-t0 Firmware » Version: N/A
cpe:2.3:o:zyxel:pm5100-t0_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Pm5100-t0 » Version: N/A
Zyxel » Pm7320-b0 Firmware » Version: N/A
cpe:2.3:o:zyxel:pm7320-b0_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Pm7320-b0 » Version: N/A
Zyxel » Wx3100-t0 Firmware » Version: N/A
cpe:2.3:o:zyxel:wx3100-t0_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Wx3100-t0 » Version: N/A
Zyxel » Wx3401-b0 Firmware » Version: N/A
cpe:2.3:o:zyxel:wx3401-b0_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Wx3401-b0 » Version: N/A
Zyxel » Wx5600-t0 Firmware » Version: N/A
cpe:2.3:o:zyxel:wx5600-t0_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Wx5600-t0 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2022-43392

EPSS FAQ

0.24%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 45 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-43392

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
7.1	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H	2.8	4.2	Zyxel Corporation
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: Low Availability: High
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	2.8	3.6	Zyxel Corporation
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2022-43392

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.
Assigned by:
- nvd@nist.gov (Primary)
- security@zyxel.com.tw (Secondary)

References for CVE-2022-43392

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-buffer-overflow-vulnerabilities-of-cpe-fiber-onts-and-wifi-extenders

Zyxel security advisory for command injection and buffer overflow vulnerabilities of CPE, fiber ONTs, and WiFi extenders | Zyxel Networks
Vendor Advisory

CVEs referencing this url

Jump to

Vulnerability Details : CVE-2022-43392

Products affected by CVE-2022-43392

Exploit prediction scoring system (EPSS) score for CVE-2022-43392

CVSS scores for CVE-2022-43392

CWE ids for CVE-2022-43392

References for CVE-2022-43392