Authentication Bypass Vulnerability in NETGEAR Routers
CVE-2020-27866

8.8HIGH

Key Information:

Vendor

Netgear
Status
Multiple Routers
Vendor
CVE Published:
12 February 2021

What is CVE-2020-27866?

This vulnerability allows attackers on the same network to bypass authentication on various NETGEAR router models. The underlying issue resides in the mini_httpd service, specifically related to flawed string matching logic when accessing secure pages. Exploiting this vulnerability can grant attackers unauthorized access, enabling them to execute commands with root privileges if combined with other vulnerabilities. Users are advised to review security advisories and apply relevant patches.

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Deploy the Patch

Affected Version(s)

Multiple Routers firmware version 1.2.0.62_1.0.1

References

https://kb.netgear.com/000062641/Security-Advisory-for-Pa...
x_refsource_MISC
https://www.zerodayinitiative.com/advisories/ZDI-20-1451/
x_refsource_MISC

EPSS Score

90% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

1sd3d of Viettel Cyber Security
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