Vulnerability in Zyxel Wre6505 Firmware (CVE-2026-6058)
Summary
Vulnerability in Zyxel Wre6505 Firmware (CVE-2026-6058). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
** UNSUPPORTED WHEN ASSIGNED ** An improper encoding or escaping vulnerability in the CGI program of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the WLAN to cause a denial-of-service (DoS) condition in the web management interface by convincing an authenticated administrator to visit the “AP Select” page while a malformed SSID is present.
Source: NIST National Vulnerability Database NVD
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-6058 has been found in Zyxel Wre6505 Firmware.
Risk of unauthorized operations or information disclosure. CVSS score: 4.5/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Zyxel Wre6505 Firmware CVE-2026-6058" on the vendor's site.
CVE-2026-6058 (Zyxel Wre6505 Firmware) — CWE-116 / CVSS v3 4.5
Attack vector: adjacent-network / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-116) exists in Zyxel Wre6505 Firmware.
Check the vendor advisory for the affected versions of Zyxel Wre6505 Firmware.
Severity: Medium (CVSS 4.5/10). Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで Zyxel Wre6505 Firmware を使っているサービスとバージョンを洗い出す。
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2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。