Cyber Resilience

CVE-2024-0295

HighPublic PoC

Published: 08 January 2024

Published
08 January 2024
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.0207 84.3th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-0295 is a high-severity OS Command Injection (CWE-78) vulnerability in Totolink Lr1200Gb Firmware. Its CVSS base score is 7.3 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 15.7% 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, which was classified as critical, was found in Totolink LR1200GB 9.1.0u.6619_B20230130. This affects the function setWanCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument hostName leads to os command injection. It is possible to initiate the attack…

more

remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-249861 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.
T1059.004 Unix Shell Execution
Adversaries may abuse Unix shell commands and scripts for execution.
T1202 Indirect Command Execution Stealth
Adversaries may abuse utilities that allow for command execution to bypass security restrictions that limit the use of command-line interpreters.
Why these techniques?

OS command injection in the router's public-facing web CGI (/cgi-bin/cstecgi.cgi) enables remote exploitation of a public-facing application (T1190), indirect command execution via the vulnerable function (T1202 as cited in advisory), and arbitrary Unix shell command execution (T1059.004) on the likely Linux-based embedded device.

Affected Assets

totolink
lr1200gb firmware
9.1.0u.6619_b20230130

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-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References