RCE in Linksys Re6250
CVE-2025-5439
A vulnerability was found in Linksys RE6500, RE6250, RE6300, RE6350, RE7000 and RE9000 1.0.013.001/1.0.04.001/1.0.04.002/1.1.05.003/1.2.07.001. It has been rated as critical. Affected by this issue is the function verifyFacebookLike of the file /goform/verifyFacebookLike. The manipulation of the argument uid/accessToken leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.055 (92.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.055 · newest: 0.055 · change: 0.000
Affected products
- Linksys Re6250 — versions 1.0.013.001, 1.0.04.001, 1.0.04.002
- Linksys Re6250 Firmware — versions 1.0.04.001
- Linksys Re6300 — versions 1.0.013.001, 1.0.04.001, 1.0.04.002
- Linksys Re6300 Firmware — versions 1.2.07.001
- Linksys Re6350 — versions 1.0.013.001, 1.0.04.001, 1.0.04.002
- Linksys Re6350 Firmware — versions 1.0.04.001
- Linksys Re6500 — versions 1.0.013.001, 1.0.04.001, 1.0.04.002
- Linksys Re6500 Firmware — versions 1.0.013.001
- Linksys Re7000 — versions 1.0.013.001, 1.0.04.001, 1.0.04.002
- Linksys Re7000 Firmware — versions 1.1.05.003
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/wudipjq/my_vuln/blob/main/Linksys/vuln_2/2.md (Exploit, exploit)
- www.linksys.com/ (Product, product)
Frequently asked questions
- What is CVE-2025-5439?
- CVE-2025-5439 is a medium-severity vulnerability in Linksys Re6250, classified under Command Injection. CVSS score: 6.3/10. Published 2025-06-02.
- How severe is CVE-2025-5439?
- Medium severity. CVSS v3 base score is 6.3 out of 10.
- Is CVE-2025-5439 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.