ClosedMedium impactAI Generated

ZKTeco CCTV Camera Authentication Bypass Vulnerability (CVE-2026-8598)

Occurred 19 May 2026·Detected 23 May 2026·
Global deployment; vendor headquartered in China; affected infrastructure in commercial facilities worldwide1 reportEnded 29 May 2026
Cyber

CISA has issued an advisory for a critical authentication bypass vulnerability (CVSS 9.1) in ZKTeco CCTV cameras. An undocumented configuration export port accessible without authentication exposes camera credentials and service information. The affected firmware version SSC335-GC2063-Face-0b77 is deployed globally across commercial facilities. A patch (V5.0.1.2.20260421) has been released.

AI-generated from linked source reports. See our correction policy.

Impact verdict

Medium impact. MEDIUM: Second-pass historical recalibration. This cyber advisory or vulnerability item is relevant to Cyber and technology-dependent Property/Casualty books, but it does not evidence confirmed insured loss, claims activity, ransomware/business interruption, critical infrastructure outage, or quantified market impact sufficient for HIGH.

View assessment methodology

How we grade what we know -- Known · Reported · Uncertain. Methodology →

Timeline

Status Change2 Jun 2026, 13:05

Lifecycle changed

monitoring → closed

Closure2 Jun 2026, 13:05

Event Closed

auto_closed_monitoring_timeout

Status Change29 May 2026, 05:30

Status changed to monitoring

Auto-transitioned: no updates for 6 hours

active → monitoring

Status Change28 May 2026, 22:34

Status changed to active

evidence_trigger: authoritative_fast_track

signal → active

De-escalation25 May 2026, 17:12

Impact changed

high → medium

Initial Detection23 May 2026, 21:18

Initial Detection

CISA has issued an advisory for a critical authentication bypass vulnerability (CVSS 9.1) in ZKTeco CCTV cameras. An undocumented configuration export port accessible without authentication exposes camera credentials and service information. The affected firmware version SSC335-GC2063-Face-0b77 is deployed globally across commercial facilities. A patch (V5.0.1.2.20260421) has been released.

An undocumented configuration export port is accessible on some models of ZKTeco CCTV cameras. This port does not require authentication and exposes critical information about the camera such as open services and camera account credentials.

Source: CISA Advisories (Official Advisory) · View source

Lloyd's classifications

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