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TI-2025-20750 Aliases CVE-2025-28221GHSA-rq3r-6rf7-m7m9

Tenda W6_S v1.0.0.4_510 has a Buffer Overflow vulnerability in the set_local_time…

Priority LOW 39CWE-120Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

Tenda W6_S v1.0.0.4_510 has a Buffer Overflow vulnerability in the set_local_time function, which allows remote attackers to cause web server crash via parameter time passed to the binary through a POST request.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00485 42nd 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
Yes
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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:w6-s_firmware:1.0.0.4\(510\):*:*:*:*:*:*:*1.0.0.4(510)VulnerableTenda
cpe:2.3:h:tenda:w6-s:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:w6-s_firmware:1.0.0.4\(510\):*:*:*:*:*:*:* Versions 1.0.0.4(510) Vulnerable ·Tenda
  • cpe:2.3:h:tenda:w6-s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Tenda

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-28221
  2. 2026-10-03 Alias added: GHSA-rq3r-6rf7-m7m9

References

Other 1

  • TI-2022-22448 Tenda W6-S v1.0.0.4(510) was discovered to contain a command injection vulnerability in… CVSS 3.1CRITICAL 9.8
  • TI-2025-13932 Tenda W6-S R7websSsecurityHandler httpd stack-based overflow CVSS 4.0CRITICAL 9.3
  • TI-2022-22453 An issue in the component tpi_systool_handle(0) (/goform/SysToolRestoreSet) of Tenda W6-S… CVSS 3.1HIGH 7.5
  • TI-2022-22452 Tenda W6-S v1.0.0.4(510) was discovered to contain a stack overflow via the linkEn parameter at /goform/setAutoPing. CVSS 3.1HIGH 7.5
  • TI-2022-22451 Tenda W6-S v1.0.0.4(510) was discovered to contain a stack overflow via the wl_radio parameter at /goform/wifiSSIDset. CVSS 3.1HIGH 7.5
  • TI-2022-22450 Tenda W6-S v1.0.0.4(510) was discovered to contain a stack overflow via the wl_radio… CVSS 3.1HIGH 7.5
See all 9 →

Sources

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