What is CVE-2022-36462?

CVE-2022-36462 is a high-severity vulnerability in Totolink A3700r, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-08-25.

How severe is CVE-2022-36462?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Totolink A3700r

CVE-2022-36462

TOTOLINK A3700R V9.1.2u.6134_B20201202 was discovered to contain a stack overflow via the lang parameter in the function setLanguageCfg.

Vulnerability class: Buffer Overflow

Published 2022-08-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (23.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Totolink A3700r
Totolink A3700r Firmware — versions 9.1.2u.6134_b20201202

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/Darry-lang1/vuln/blob/main/TOTOLINK/A3700R/6/readme.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-36462?: CVE-2022-36462 is a high-severity vulnerability in Totolink A3700r, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-08-25.
How severe is CVE-2022-36462?: High severity. CVSS v3 base score is 7.8 out of 10.