What is CVE-2022-29638?

CVE-2022-29638 is a high-severity vulnerability in Totolink A3100r, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-05-18.

How severe is CVE-2022-29638?

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

Buffer overflow in Totolink A3100r

CVE-2022-29638

TOTOLINK A3100R V4.1.2cu.5050_B20200504 and V4.1.2cu.5247_B20211129 were discovered to contain a stack overflow via the comment parameter in the function setIpQosRules. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (62.9th percentile) — read the EPSS interpretation.

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.

Affected products

Totolink A3100r
Totolink A3100r_firmware — versions 4.1.2cu.5050_b20200504, 4.1.2cu.5247_b20211129
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

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

Frequently asked questions

What is CVE-2022-29638?: CVE-2022-29638 is a high-severity vulnerability in Totolink A3100r, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-05-18.
How severe is CVE-2022-29638?: High severity. CVSS v3 base score is 7.5 out of 10.