Vulnerability Details : CVE-2017-11420
Potential exploit
Stack-based buffer overflow in ASUS_Discovery.c in networkmap in Asuswrt-Merlin firmware for ASUS devices and ASUS firmware for ASUS RT-AC5300, RT_AC1900P, RT-AC68U, RT-AC68P, RT-AC88U, RT-AC66U, RT-AC66U_B1, RT-AC58U, RT-AC56U, RT-AC55U, RT-AC52U, RT-AC51U, RT-N18U, RT-N66U, RT-N56U, RT-AC3200, RT-AC3100, RT_AC1200GU, RT_AC1200G, RT-AC1200, RT-AC53, RT-N12HP, RT-N12HP_B1, RT-N12D1, RT-N12+, RT_N12+_PRO, RT-N16, and RT-N300 devices allows remote attackers to execute arbitrary code via long device information that is mishandled during a strcat to a device list.
Vulnerability category: OverflowExecute code
Products affected by CVE-2017-11420
- cpe:2.3:o:asuswrt-merlin_project:rt-ac5300_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt_ac1900p_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-ac68u_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-ac68p_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-ac88u_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-ac66u_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-ac66u_b1_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-ac58u_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-ac56u_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-ac55u_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-ac52u_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-ac51u_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-n18u_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-n66u_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-n56u_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-ac3200_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-ac3100_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt_ac1200gu_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt_ac1200g_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-ac1200_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-ac53_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-n12hp_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-n12hp_b1_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-n12d1_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-n12\+_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt_n12\+_pro_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-n16_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:asuswrt-merlin_project:rt-n300_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-11420
6.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 90 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-11420
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
10.0
|
HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C |
10.0
|
10.0
|
NIST | |
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2017-11420
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-11420
-
http://www.openwall.com/lists/oss-security/2017/07/13/1
oss-security - CVE-IDs request for ASUS wiress router Remote Command/Code Execution VulnerabilityExploit;Mailing List;Third Party Advisory
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https://asuswrt.lostrealm.ca/changelog
Changelog 380.xx | Asuswrt-Merlin
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