Vulnerability · Published Jul 30, 2024 · Assigned by VulDB

CVE-2024-7212TOTOLINK A7000R cstecgi.cgi loginauth buffer overflow

High 8.8

In plain English

A high-severity buffer overflow in A7000R from TOTOLINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)1.0%top 36.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability, which was classified as critical, has been found in TOTOLINK A7000R 9.1.0u.6268_B20220504. This issue affects the function loginauth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-272783. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
TOTOLINK	A7000R	9.1.0u.6268_B20220504

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

References

VDB-272783 | TOTOLINK A7000R cstecgi.cgi loginauth buffer overflow vdb-entry, technical-description
VDB-272783 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #378312 | TOTOLINK A7000R V9.1.0u.6268_B20220504 Buffer Overflow third-party-advisory
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/A7000R/loginauth_password.md exploit