Vulnerability · Published Jan 29, 2024 · Assigned by VulDB

CVE-2024-0998Totolink N200RE cstecgi.cgi setDiagnosisCfg stack-based overflow

High 7.2

In plain English

A high-severity stack buffer overflow in N200RE from Totolink. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities).

Severity (CVSS 3.1)7.2High

Exploit odds (30 days)1.4%top 27.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been classified as critical. This affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ip leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-252267. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
Totolink	N200RE	9.3.5u.6139_B20201216

Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

https://vuldb.com/?id.252267 vdb-entry, technical-description
https://vuldb.com/?ctiid.252267 signature, permissions-required
https://jylsec.notion.site/TOTOLINK-N200RE-has-stack-buffer-overflow-vulnerability-in-setDiagnosisCfg-b2d36451543e4c6da063646721a24604?pvs=4 exploit