CVE-2026-7257 Information disclosure in WRE6505 v2 firmware

Medium 4.4 Published Updated

A local administrator can download and decrypt backup configuration files to expose sensitive information in Zyxel WRE6505 v2 devices.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-7257?

CVE-2026-7257 is a medium-severity vulnerability in Zyxel WRE6505 v2 firmware, published on 12 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

** UNSUPPORTED WHEN ASSIGNED ** An insecure storage of sensitive information vulnerability in the configuration file of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow a local attacker with administrator privileges to download and decrypt a backup configuration file.

Weakness: CWE-922

Which versions are affected by CVE-2026-7257?

It affects 1 product.

Products include Zyxel Wre6505 Firmware.

How do I fix CVE-2026-7257?

No fix has been published for CVE-2026-7257 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-7257 being exploited?

There is no known exploitation of CVE-2026-7257 in the wild and no public exploit code.

Sources

Also known as GHSA-ppfx-mp77-6vfg.

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