Vulnerability · Published May 12, 2026 · Assigned by Zyxel
CVE-2026-7255
Medium 6.5
In plain English
A medium-severity security flaw in WRE6505 v2 firmware from Zyxel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 90.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
** UNSUPPORTED WHEN ASSIGNED ** An improper restriction of excessive authentication attempts vulnerability in the web management interface of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the LAN to brute-force the password and bypass authentication.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | WRE6505 v2 firmware | V1.00(ABDV.3)C0 |
Weakness: CWE-307 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N