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CVE-2008-1526

7.5 · HIGH

ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(PE9) and 3.40(AGD.2) through 3.40(AHQ.3), do not use a salt when calculating an MD5 password hash, which makes it…

Published Mar 26, 2008zyxelCWE-916EPSS 0.89%

Overview

CVE-2008-1526 is a high-severity vulnerability affecting zyxel p-663hn-51_firmware. It was published on March 26, 2008 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(PE9) and 3.40(AGD.2) through 3.40(AHQ.3), do not use a salt when calculating an MD5 password hash, which makes it easier for attackers to crack passwords.

Remediation

Check the references section for vendor advisories and patches from zyxel. Update p-663hn-51_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
zyxelp-663hn-51_firmware3.40\(agd.2\)Affected
zyxelp-660h-61_firmware3.40\(agd.2\)Affected
zyxelp-660h-63_firmware3.40\(agd.2\)Affected
zyxelp-660h-67_firmware3.40\(agd.2\)Affected
zyxelp-660h-d1_firmware3.40\(agd.2\)Affected
zyxelp-660h-d3_firmware3.40\(agd.2\)Affected
zyxelp-660hn-51_firmware3.40\(agd.2\)Affected
zyxelp-660h-t1_firmware3.40\(agd.2\)Affected
zyxelp-660hw_d1_firmware3.40\(agd.2\)Affected
zyxelp-660hw_d3_firmware3.40\(agd.2\)Affected

References

Refwww.gnucitizen.org/projects/router-hacking-challenge/Refwww.procheckup.com/Hacking_ZyXEL_Gateways.pdfRefwww.securityfocus.com/archive/1/489009/100/0/threadedRefwww.gnucitizen.org/projects/router-hacking-challenge/Refwww.procheckup.com/Hacking_ZyXEL_Gateways.pdfRefwww.securityfocus.com/archive/1/489009/100/0/threaded

How CyberStrike helps

Frequently asked questions

What is CVE-2008-1526?

CVE-2008-1526 is a high-severity vulnerability affecting zyxel p-663hn-51_firmware. It was published on March 26, 2008 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2008-1526?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2008-1526?

Check the references section for vendor advisories and patches from zyxel. Update p-663hn-51_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2008-1526?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-1526 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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