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Fencer Intel
critical 9.1

CVE-2026-8598 json

Unauthenticated Export Service in ZKTeco CCTV Cameras

published 5mo ago modified 3mo 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

Summary

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

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

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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 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
5mo ago

Exploit prediction

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

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

Fencer Intel 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.