Cyber Resilience

CVE-2024-31811

HighPublic PoC

Published: 08 April 2024

Published
08 April 2024
Modified
18 March 2025
KEV Added
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Patch
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CVSS Score v3.1 8.0 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0073 73.1th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-31811 is a high-severity Command Injection (CWE-77) vulnerability in Totolink Ex200 Firmware. Its CVSS base score is 8.0 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 26.9% 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

TOTOLINK EX200 V4.0.3c.7646_B20201211 was discovered to contain a remote code execution (RCE) vulnerability via the langType parameter in the setLanguageCfg function.

CWE(s)
CWE-77

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.
attack.mitre.org →
T1059.008 Network Device CLI Execution
Adversaries may abuse scripting or built-in command line interpreters (CLI) on network devices to execute malicious command and payloads.
attack.mitre.org →
Why these techniques?

RCE vulnerability via command injection in the web interface's setLanguageCfg function (langType parameter) on a public-facing router enables exploitation of public-facing applications and execution of commands via network device CLI.

Affected Assets

totolink
ex200 firmware
4.0.3c.7646_b20201211

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References