Vulnerability · Published Jan 8, 2024 · Assigned by VulDB

CVE-2023-7218Totolink N350RT cstecgi.cgi loginAuth stack-based overflow

High 7.2

In plain English

A high-severity stack buffer overflow in N350RT from Totolink. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities).

Severity (CVSS 3.1)7.2High

Exploit odds (30 days)1.3%top 30.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability, which was classified as critical, was found in Totolink N350RT 9.3.5u.6139_B202012. Affected is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to stack-based buffer overflow. It is possible to launch the attack remotely. The identifier of this vulnerability is VDB-249852. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
Totolink	N350RT	9.3.5u.6139_B202012

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.249852 vdb-entry, technical-description
https://vuldb.com/?ctiid.249852 signature, permissions-required
https://github.com/jylsec/vuldb/blob/main/TOTOLINK/N350RT/4/README.md broken-link