RCE in Totolink A3002r

CVE-2025-55590

TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain an command injection vulnerability via the component bupload.html.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.008 (53.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Totolink A3002r
Totolink A3002r_firmware — versions 4.0.0-b20230531.1404
N/a — versions n/a

Weakness classification (CWE)

CWE-77 — Command Injection

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

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

Frequently asked questions

What is CVE-2025-55590?: CVE-2025-55590 is a medium-severity vulnerability in Totolink A3002r, classified under Command Injection. CVSS score: 6.5/10. Published 2025-08-18.
How severe is CVE-2025-55590?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2025-55590 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.