Cyber Resilience

CVE-2024-0999

HighPublic PoC

Published: 29 January 2024

Published
29 January 2024
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0041 61.8th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-0999 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Totolink N200Re Firmware. Its CVSS base score is 7.2 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 38.2% 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 N200RE 9.3.5u.6139_B20201216. It has been declared as critical. This vulnerability affects the function setParentalRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument eTime leads to stack-based buffer overflow. The attack can be initiated…

more

remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-252268. 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?

Stack-based buffer overflow in the remotely accessible CGI endpoint (/cgi-bin/cstecgi.cgi#setParentalRules) enables remote code execution via exploitation of a public-facing web application on the Totolink N200RE router.

Affected Assets

totolink
n200re firmware
9.3.5u.6139_b20201216

Mitigating Controls

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

References