Unauthenticated Export Service in ZKTeco CCTV Cameras

published 2026-05-20 5 mo ago modified 2026-07-20 3 mo ago also EUVD-2026-31124

cvss: 9.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

ZKTeco SSC335-GC2063-Face-0b77 Solution Camera V5.0.1.2.20260421

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-26-139-04 updated 2026-05-19 cvss 9.1

ZKTeco CCTV Cameras

ZKTeco SSC335-GC2063-Face-0b77 Solution <V5.0.1.2.20260421
affected: mitigation “ZKTeco has patched this vulnerability in firmware version V5.0.1.2.20260421. ZKTeco recommends that users upgrade to firmware version V5.0.1.2.20260421 or later at their earliest opportunity.” zkteco.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 5 mo ago (2026-05-20)

Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	9.1	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CNA	3.1	9.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CNA	4.0	9.1	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

ZKTeco SSC335-GC2063-Face-0b77 Solution Camera

Classification

Weakness

CWE-288 Authentication Bypass Using an Alternate Path or Channel

References

Sources

CVE List CVE-2026-8598
NVD CVE-2026-8598

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary