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6.1

Zyxel P-660HW‑T1 devices let attackers add malicious web code

CVE-2015-6017 · published 10 years ago
Summary

The web interface on Zyxel P‑660HW‑T1 routers running ZyNOS 3.40 can be tricked into accepting crafted input in the login and hidden password fields. An attacker could insert harmful script or HTML, potentially stealing user credentials or taking control of the management session. Update the router firmware to the latest version released by Zyxel or apply any available security patches, and restrict access to the device’s web admin page.

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
zyxel p-660hw-t1_v2_firmware 3.40\(axh.0\)
cpe:2.3:o:zyxel:p-660hw-t1_v2_firmware:3.40\(axh.0\):*:*:*:*:*:*:*
Original advisory text
Multiple cross-site scripting (XSS) vulnerabilities in Forms/rpAuth_1 on ZyXEL P-660HW-T1 2 devices with ZyNOS firmware 3.40(AXH.0) allow remote attackers to inject arbitrary web script or HTML via...
Multiple cross-site scripting (XSS) vulnerabilities in Forms/rpAuth_1 on ZyXEL P-660HW-T1 2 devices with ZyNOS firmware 3.40(AXH.0) allow remote attackers to inject arbitrary web script or HTML via the (1) LoginPassword or (2) hiddenPassword 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
6.1 Medium
Exploitation
2% chance of attack within 30 days
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published31 Dec 2015
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2015-6017 · NVD
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