CVE-2026-7257

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.

CVSS v3.1 Score

4.4

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploit Prediction

0.0002

Probability of exploitation

0.03%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-922 CWE-922

Affected Products

Vendor	Product	Versions
zyxel	wre6505_firmware	All
zyxel	wre6505	All

References

Other References

https://www.zyxel.com/global/en/support/end-of-life

Frequently Asked Questions

What is CVE-2026-7257? +

** 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. It has a CVSS v3.1 base score of 4.4 (MEDIUM).

How severe is CVE-2026-7257? +

CVE-2026-7257 has a CVSS v3.1 score of 4.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0002, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-7257? +

CVE-2026-7257 affects products from zyxel, specifically: wre6505, wre6505_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-7257? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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