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CVE-2025-65008: OS Command Injection in WODESYS WD-R608U router

• Severity: critical (CVSS 9.4 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-18 · updated 2026-09-25
• Weakness: CWE-78

Description

In WODESYS WD-R608U router (also known as WDR122B V2.0 and WDR28) due to lack of validation in the langGet parameter in the adm.cgi endpoint, the malicious attacker can execute system shell commands. The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only version WDR28081123OV1.01 was tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.

Affected products

• WODESYS WD-R608U: WDR28081123OV1.01
• WODESYS WDR122B V2.0: WDR28081123OV1.01
• WODESYS WDR28: WDR28081123OV1.01

References

• http://www.wodesys.com/eproductms52.html
• https://cert.pl/en/posts/2025/12/CVE-2025-65007
• https://github.com/wcyb/security_research

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