Authentication Bypass Vulnerability in NETGEAR R7450 Routers
CVE-2020-27872

8.8HIGH

Key Information:

Vendor

Netgear
Status
R7450
Vendor
CVE Published:
4 February 2021

What is CVE-2020-27872?

The vulnerability in NETGEAR R7450 routers allows network-adjacent attackers to bypass authentication. This critical flaw arises from improper state tracking within the mini_httpd service, which operates on TCP port 80 by default. An attacker can take advantage of this vulnerability to execute code with root privileges, potentially compromising the router and any connected devices. Proper safeguarding measures and prompt updates are essential to mitigate this risk.

Affected Version(s)

R7450 1.2.0.62_1.0.1

References

https://www.zerodayinitiative.com/advisories/ZDI-21-071/
x_refsource_MISC
https://kb.netgear.com/000062641/Security-Advisory-for-Pa...
x_refsource_MISC

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
.