Vulnerability · Published Jan 9, 2024 · Assigned by VulDB

CVE-2023-7221Totolink T6 HTTP POST Request main buffer overflow

Critical 9.8

In plain English

A critical-severity buffer overflow in T6 from Totolink. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 75% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)1.5%top 25.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in Totolink T6 4.1.9cu.5241_B20210923. It has been classified as critical. This affects the function main of the file /cgi-bin/cstecgi.cgi?action=login of the component HTTP POST Request Handler. The manipulation of the argument v41 leads to 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-249855. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
Totolink	T6	4.1.9cu.5241_B20210923

Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://vuldb.com/?id.249855 vdb-entry, technical-description
https://vuldb.com/?ctiid.249855 signature, permissions-required
https://github.com/jylsec/vuldb/blob/main/TOTOLINK/T6/1/README.md broken-link, exploit