What is CVE-2022-29377?

CVE-2022-29377 is a high-severity vulnerability in Totolink A3600r, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-05-24.

How severe is CVE-2022-29377?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Totolink A3600r

CVE-2022-29377

Totolink A3600R V4.1.2cu.5182_B20201102 was discovered to contain a stacker overflow in the fread function at infostat.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via the parameter CONTENT_LENGTH.

Vulnerability class: Buffer Overflow

Published 2022-05-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.011 (63.0th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Totolink A3600r
Totolink A3600r Firmware — versions 4.1.2cu.5182_b20201102

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/molezsbd/iot-cve/tree/master/totolink/a3600r (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-29377?: CVE-2022-29377 is a high-severity vulnerability in Totolink A3600r, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-05-24.
How severe is CVE-2022-29377?: High severity. CVSS v3 base score is 7.5 out of 10.