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6.8

ZTE ZXDSL 831IIV7 router admin password change can be hijacked

CVE-2012-4746 · published 14 years ago
Summary

The web interface on ZTE ZXDSL 831IIV7 routers lets an attacker trick an logged‑in administrator into changing the admin password without permission. This could let a remote attacker take over the router's control. Apply the vendor's security update or disable the vulnerable web page until it is patched.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
zte zxdsl 831iiv7.5.0a_z29_ov
cpe:2.3:h:zte:zxdsl:831iiv7.5.0a_z29_ov:*:*:*:*:*:*:*
Original advisory text
Cross-site request forgery (CSRF) vulnerability in accessaccount.cgi in ZTE ZXDSL 831IIV7.5.0a_Z29_OV allows remote attackers to hijack the authentication of administrators for requests that change...
Cross-site request forgery (CSRF) vulnerability in accessaccount.cgi in ZTE ZXDSL 831IIV7.5.0a_Z29_OV allows remote attackers to hijack the authentication of administrators for requests that change the administrator password via the sysPassword parameter.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
6.8 Medium
Exploitation
1% chance of attack within 30 days
Type
CWE-352Cross-Site Request Forgery (CSRF)
Timeline
Published31 Aug 2012
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2012-4746 · NVD
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