What is CVE-2022-29646?

CVE-2022-29646 is a medium-severity vulnerability in Totolink A3100r, classified under Exposure of Resource to Wrong Sphere. CVSS score: 5.3/10. Published 2022-05-18.

How severe is CVE-2022-29646?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Totolink A3100r

CVE-2022-29646

An access control issue in TOTOLINK A3100R V4.1.2cu.5050_B20200504 and V4.1.2cu.5247_B20211129 allows attackers to obtain sensitive information via a crafted web request.

Published 2022-05-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Totolink A3100r
Totolink A3100r Firmware — versions 4.1.2cu.5050_b20200504, 4.1.2cu.5247_b20211129

Weakness classification (CWE)

CWE-668 — Exposure of Resource to Wrong Sphere

References

github.com/shijin0925/IOT/blob/master/TOTOLINK A3100R/9.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-29646?: CVE-2022-29646 is a medium-severity vulnerability in Totolink A3100r, classified under Exposure of Resource to Wrong Sphere. CVSS score: 5.3/10. Published 2022-05-18.
How severe is CVE-2022-29646?: Medium severity. CVSS v3 base score is 5.3 out of 10.