Buffer overflow in Totolink X2000r

CVE-2023-7222

A vulnerability was found in Totolink X2000R 1.0.0-B20221212.1452. It has been declared as critical. This vulnerability affects the function formTmultiAP of the file /bin/boa of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-249856. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: Buffer Overflow

EPSS: 0.013 (67.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • cna@vuldb.com (Permissions Required, 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, broken-link)

Frequently asked questions

What is CVE-2023-7222?
CVE-2023-7222 is a high-severity vulnerability in Totolink X2000r, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.2/10. Published 2024-01-09.
How severe is CVE-2023-7222?
High severity. CVSS v3 base score is 7.2 out of 10.