Cyber Resilience

CVE-2024-7176

HighPublic PoC

Published: 29 July 2024

Published
29 July 2024
Modified
21 November 2024
KEV Added
Patch
CVSS Score v4 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0032 55.6th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-7176 is a high-severity Classic Buffer Overflow (CWE-120) vulnerability in Totolink A3600R Firmware. Its CVSS base score is 8.7 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 44.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A vulnerability was found in TOTOLINK A3600R 4.1.2cu.5182_B20201102 and classified as critical. This issue affects the function setIpQosRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument comment leads to buffer overflow. The attack may be initiated remotely. The exploit…

more

has been disclosed to the public and may be used. The identifier VDB-272597 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Why these techniques?

The buffer overflow vulnerability in the public-facing web CGI interface (/cgi-bin/cstecgi.cgi setIpQosRules) on the TOTOLINK router enables remote exploitation of a public-facing application, potentially leading to code execution.

Affected Assets

totolink
a3600r firmware
4.1.2cu.5182_b20201102

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References