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TI-2026-70306 Aliases CVE-2026-108503GHSA-hqhh-c2wg-mjcw

Unauthorized information acquisition in ZTE Z80 Ultra product

Priority LOW 15CWE-276Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

ZTE Z80 Ultra, in the GEN_ZTE_PQ85A01V1.0.0B27 and prior released versions, has an interface permission validation flaw classified as CWE-276. The callable functions the system provides lack sufficient access control. A local attacker with no privileges can use these functions to read relevant information, and exploitation requires user interaction.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

ZTE Z80 Ultra has an interface permission validation vulnerability. The callable functions provided by the system lack sufficient access control. An attacker can leverage these functions to read relevant information.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00129 2nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ZTEZ80 UltraGEN_ZTE_PQ85A01V1.0.0B27 and prior released versions—No fix listedCNA
  • Z80 Ultra VendorZTE Affected GEN_ZTE_PQ85A01V1.0.0B27 and prior released versions Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for ZTE Z80 Ultra.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-10 Threatist record created from CVE-2026-108503
  2. 2026-10-10 Alias added: GHSA-hqhh-c2wg-mjcw
  3. 2026-10-11 CISA SSVC decision points changed

References

Other 1

  • TI-2018-05334 Improper authentication in ZTE ZXHN H168N CVSS 3.0HIGH 8.8
  • TI-2018-05333 Missing authentication in ZTE ZXHN H168N CVSS 3.0HIGH 8.8
  • TI-2014-01839 web_shell_cmd.gch on ZTE F460 and F660 cable modems allows remote attackers to obtain… CVSS 2.0HIGH 10.0
  • TI-2022-22726 ZTE ZXHN-H108NS router with firmware version H108NSV1.0.7u_ZRD_GR2_A68 is vulnerable to remote stack buffer overflow. CVSS 3.1HIGH 7.5
  • TI-2022-18458 SQL injection in MF286R CVSS 3.1HIGH 8.8
  • TI-2022-18465 Command injection in MF286R CVSS 3.1CRITICAL 9.8
See all 224 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences