CVE-2022-44257

Name: CVE-2022-44257
Creator: NVD / NIST
Published: 2022-11-23T16:15:10.867+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.11%

Last modified Jun 17, 2026

CVE-2022-44257 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. TOTOLINK LR350 V9.3.5u.6369_B20220309 contains a post-authentication buffer overflow via parameter pppoeUser in the setOpModeCfg function.. EPSS estimates a 2.11% chance of exploitation in the next 30 days.

Description

TOTOLINK LR350 V9.3.5u.6369_B20220309 contains a post-authentication buffer overflow via parameter pppoeUser in the setOpModeCfg function.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.11%

79.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Totolink	Lr350 Firmware	9.3.5u.6369_b20220309

References

https://brief-nymphea-813.notion.site/LR350-bof-setOpModeCfg-9dc3504e403f445b85d5db09176ac406Exploit, Third Party Advisory
https://brief-nymphea-813.notion.site/LR350-bof-setOpModeCfg-9dc3504e403f445b85d5db09176ac406Exploit, Third Party Advisory

Timeline

Published: Nov 23, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-44257?

TOTOLINK LR350 V9.3.5u.6369_B20220309 contains a post-authentication buffer overflow via parameter pppoeUser in the setOpModeCfg function.

How severe is CVE-2022-44257?

CVE-2022-44257 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.11% probability of exploitation in the next 30 days.

How do I fix CVE-2022-44257?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-44257?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST