Vulnerability Details : CVE-2020-8423
Potential exploit
A buffer overflow in the httpd daemon on TP-Link TL-WR841N V10 (firmware version 3.16.9) devices allows an authenticated remote attacker to execute arbitrary code via a GET request to the page for the configuration of the Wi-Fi network.
Vulnerability category: OverflowExecute code
Products affected by CVE-2020-8423
- cpe:2.3:o:tp-link:tl-wr841n_firmware:3.16.9:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-8423
27.93%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 96 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-8423
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.0
|
HIGH | AV:N/AC:L/Au:S/C:C/I:C/A:C |
8.0
|
10.0
|
NIST | |
|
7.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
1.2
|
5.9
|
NIST |
CWE ids for CVE-2020-8423
-
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)
References for CVE-2020-8423
-
https://ktln2.org/2020/03/29/exploiting-mips-router/
CVE-2020-8423: exploiting the TP-LINK TL-WR841N V10 router ยท Gianluca PacchiellaExploit;Third Party Advisory
-
https://www.tp-link.com/us/security
TP-Link - Security Advisory | TP-LinkVendor Advisory
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