RCE in Totolink A3002r

CVE-2025-55591

TOTOLINK-A3002R v4.0.0-B20230531.1404 was discovered to contain a command injection vulnerability in the devicemac parameter in the formMapDel endpoint.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.076 (94.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-55591: held from 0.072 to 0.076.

EPSS over last 30 days · oldest: 0.072 · newest: 0.076 · change: +0.004

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-55591?
CVE-2025-55591 is a critical-severity vulnerability in Totolink A3002r, classified under Command Injection. CVSS score: 9.8/10. Published 2025-08-18.
How severe is CVE-2025-55591?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-55591 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.