What is CVE-2023-6906?

CVE-2023-6906 is a critical-severity vulnerability in Totolink A7100ru, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-12-18.

How severe is CVE-2023-6906?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Totolink A7100ru

CVE-2023-6906

A vulnerability, which was classified as critical, was found in Totolink A7100RU 7.4cu.2313_B20191024. Affected is the function main of the file /cgi-bin/cstecgi.cgi?action=login of the component HTTP POST Request Handler. The manipulation…

Vulnerability class: Buffer Overflow

EPSS: 0.018 (76.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Totolink A7100ru — versions 7.4cu.2313_B20191024
Totolink A7100ru_firmware — versions 7.4cu.2313_b20191024

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cna@vuldb.com (technical-description, Third Party Advisory, vdb-entry)
cna@vuldb.com (signature, Permissions Required, permissions-required, Third Party Advisory)
cna@vuldb.com (Exploit, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2023-6906?: CVE-2023-6906 is a critical-severity vulnerability in Totolink A7100ru, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-12-18.
How severe is CVE-2023-6906?: Critical severity. CVSS v3 base score is 9.8 out of 10.