CVE-2021-27254

6.3MEDIUM

Key Information:

Vendor
Netgear
Status
R7800
Vendor
CVE Published:
5 March 2021

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 Version(s)

R7800 firmware version 1.0.2.76

References

https://www.zerodayinitiative.com/advisories/ZDI-21-252/
x_refsource_MISC
https://kb.netgear.com/000062883/Security-Advisory-for-Mu...
x_refsource_MISC

CVSS V3.1

Score:
6.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

84c0
.