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TI-2021-04807 Aliases CVE-2021-21740GHSA-qj42-4q8c-3r9v

Link following in ZXHN H2640

Priority LOW 13CWE-59Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-59 and the CVSS impact.

Summary

There is an information leak vulnerability in the digital media player (DMS) of ZTE's residential gateway product. The attacker could insert the USB disk with the symbolic link into the residential gateway, and access unauthorized directory information through the symbolic link, causing information leak.

Why it matters now

EPSS 0.00442 38th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—ZXHN H2640V10.0.0C6_TY—No fix listedCNA
  • ZXHN H2640 Vendor— Affected V10.0.0C6_TY Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:zte:zxhn_h2640_firmware:10.0.0c6_ty:*:*:*:*:*:*:*10.0.0c6_tyVulnerableZTE
cpe:2.3:h:zte:zxhn_h2640:-:*:*:*:*:*:*:*not specified by NVDRunning onZTE
  • cpe:2.3:o:zte:zxhn_h2640_firmware:10.0.0c6_ty:*:*:*:*:*:*:* Versions 10.0.0c6_ty Vulnerable ·ZTE
  • cpe:2.3:h:zte:zxhn_h2640:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ZTE

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-21740
  2. 2026-10-03 Alias added: GHSA-qj42-4q8c-3r9v

References

Advisory 1

Sources

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