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TI-2026-21918 Aliases CVE-2026-27514GHSA-jqx8-f6x9-hm34

Tenda F3 Plaintext Credential Exposure in Configuration Download

Priority LOW 31CWE-201Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-201.

Summary

Shenzhen Tenda F3 Wireless Router firmware V12.01.01.55_multi contains a sensitive information exposure vulnerability in the configuration download functionality. The configuration download response includes the router password and administrative password in plaintext. The endpoint also omits appropriate Cache-Control directives, which can allow the response to be stored in client-side caches and recovered by other local users or processes with access to cached browser data.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00251 16th 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
TendaTenda F3up to 12.01.01.55_multi—No fix listedCNA
  • Tenda F3 VendorTenda Affected up to 12.01.01.55_multi Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:f3_firmware:*:*:*:*:*:*:*:*up to 12.01.01.55_multiVulnerableTenda
cpe:2.3:h:tenda:f3:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:f3_firmware:*:*:*:*:*:*:*:* Versions up to 12.01.01.55_multi Vulnerable ·Tenda
  • cpe:2.3:h:tenda:f3:-:*:*:*:*:*:*:* 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-2026-27514
  2. 2026-10-03 Alias added: GHSA-jqx8-f6x9-hm34

References

Other 1

  • TI-2020-17965 Tenda N300 F3 12.01.01.48 devices allow remote attackers to obtain sensitive information… CVSS 3.1CRITICAL 9.6
  • TI-2025-35571 Tenda F3 V12.01.01.48_multi and after is vulnerable to Buffer Overflow via the… CVSS 3.1MEDIUM 5.6
  • TI-2025-35570 Tenda F3 V12.01.01.48_multi and after is vulnerable to Buffer Overflow via the onlineList… CVSS 3.1MEDIUM 5.6
  • TI-2025-35569 Tenda F3 V12.01.01.48_multi and after is vulnerable to Buffer Overflow. CVSS 3.1MEDIUM 5.6
  • TI-2025-35568 Tenda F3 V12.01.01.48_multi and after is vulnerable to Buffer Overflow via the QosList parameter in goform/setQoS. CVSS 3.1MEDIUM 5.6
  • TI-2025-35567 Tenda F3 V12.01.01.48_multi and after is vulnerable to Buffer Overflow via the portList parameter in /goform/setNAT. CVSS 3.1MEDIUM 5.6
See all 9 →

Sources

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