CVE-2021-27254

Summary

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R7800. Authentication is not required to exploit this vulnerability. The specific flaw exists within the apply_save.cgi endpoint. This issue results from the use of hard-coded encryption key. An attacker can leverage this vulnerability to execute arbitrary code in the context of root. Was ZDI-CAN-12287.

Affected Software

Weaknesses

• CWE-259: CWE-259: Use of Hard-coded Password

ADP Enrichment

CVE Program Container

Additional References

• https://www.zerodayinitiative.com/advisories/ZDI-21-252/
• https://kb.netgear.com/000062883/Security-Advisory-for-Multiple-Vulnerabilities-on-Some-Routers-Satellites-and-Extenders

References

• https://www.zerodayinitiative.com/advisories/ZDI-21-252/
• https://kb.netgear.com/000062883/Security-Advisory-for-Multiple-Vulnerabilities-on-Some-Routers-Satellites-and-Extenders

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