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CVE-2014-125122— Linksys WRT120N tmUnblock.cgi Stack-Based Buffer Overflow Admin Password Reset

Quick assessment

Affected
Linksys WRT120N
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linksys WRT120N是美国Linksys公司的一款路由器。 Linksys WRT120N存在安全漏洞，该漏洞源于tmUnblock.cgi端点边界检查不当，可能导致栈缓冲区溢出和密码重置。

AI Predicted 9.8 Difficulty: Easy EPSS 0.76% · P53

Public Exploits 1

Metasploit · 1 linksys_tmunblock_admin_reset_bof.rb [auxiliary]

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2014-125122

Vulnerability Information
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Vulnerability Title
Linksys WRT120N tmUnblock.cgi Stack-Based Buffer Overflow Admin Password Reset
Source: CVE Program / CVE List V5
Vulnerability Description
A stack-based buffer overflow vulnerability exists in the tmUnblock.cgi endpoint of the Linksys WRT120N wireless router. The vulnerability is triggered by sending a specially crafted HTTP POST request with an overly long TM_Block_URL parameter to the endpoint. By exploiting this flaw, an unauthenticated remote attacker can overwrite memory in a controlled manner, enabling them to temporarily reset the administrator password of the device to a blank value. This grants unauthorized access to the router’s web management interface without requiring valid credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Linksys WRT120N 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linksys WRT120N是美国Linksys公司的一款路由器。 Linksys WRT120N存在安全漏洞，该漏洞源于tmUnblock.cgi端点边界检查不当，可能导致栈缓冲区溢出和密码重置。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linksys WRT120N 1.0.07 -

II. Public POCs for CVE-2014-125122

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III. Intelligence Information for CVE-2014-125122

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Other References for CVE-2014-125122 (1)

IV. Related Vulnerabilities

Same vendor: Linksys
Same weakness: CWE-121

V. Comments for CVE-2014-125122

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