Buffer overflow in Totolink Lr350

CVE-2022-44260

TOTOLINK LR350 V9.3.5u.6369_B20220309 contains a post-authentication buffer overflow via parameter sPort/ePort in the setIpPortFilterRules function.

Vulnerability class: Buffer Overflow

EPSS: 0.021 (79.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Totolink Lr350
Totolink Lr350_firmware — versions 9.3.5u.6369_b20220309
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-44260?: CVE-2022-44260 is a high-severity vulnerability in Totolink Lr350, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2022-11-23.
How severe is CVE-2022-44260?: High severity. CVSS v3 base score is 8.8 out of 10.