Authorization Flaw in Belkin Router Firmware
CVE-2015-5989

9.8CRITICAL

Key Information:

Vendor

Zyxel
Status
Gs1900-10HP Firmware
Vendor
CVE Published:
31 December 2015

What is CVE-2015-5989?

The Belkin F9K1102 router, running firmware version 2.10.17, contains a vulnerability that relies on client-side JavaScript for authorization checks. This design flaw can be exploited by remote attackers, allowing them to modify LockStatus and Login_Success values. Through these manipulations, attackers can gain unauthorized administrative access to the router, potentially compromising the entire network. This emphasizes the need for secure coding practices and server-side validation to prevent such vulnerabilities.

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References

https://www.kb.cert.org/vuls/id/201168
third-party-advisoryx_refsource_CERT-VN

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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