Vulnerability · Published Dec 25, 2023 · Assigned by VulDB

CVE-2023-7095Totolink A7100RU HTTP POST Request main buffer overflow

Critical 9.8

In plain English

A critical-severity buffer overflow in A7100RU from Totolink. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 13.7% (higher than 97% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)13.7%top 3.5% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A vulnerability, which was classified as critical, has been found in Totolink A7100RU 7.4cu.2313_B20191024. Affected by this issue is the function main of the file /cgi-bin/cstecgi.cgi?action=login of the component HTTP POST Request Handler. The manipulation of the argument flag leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-248942 is the identifier assigned to this vulnerability.

Affected products (as reported)

Vendor	Product	Versions
Totolink	A7100RU	7.4cu.2313_B20191024

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.248942 vdb-entry, technical-description
https://vuldb.com/?ctiid.248942 signature, permissions-required
https://github.com/unpWn4bL3/iot-security/blob/main/2.md exploit