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ZyXEL Prestige routers, including P-660, P-661, and P-662...

Moderate severity Unreviewed Published May 1, 2022 to the GitHub Advisory Database • Updated Mar 21, 2026

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

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.

References

Published by the National Vulnerability Database Mar 26, 2008
Published to the GitHub Advisory Database May 1, 2022
Last updated Mar 21, 2026

Severity

Moderate

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(55th percentile)

Weaknesses

Use of Password Hash With Insufficient Computational Effort

The product generates a hash for a password, but it uses a scheme that does not provide a sufficient level of computational effort that would make password cracking attacks infeasible or expensive. Learn more on MITRE.

CVE ID

CVE-2008-1526

GHSA ID

GHSA-66rq-9hrq-6rw4

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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