TI-2026-17755 Aliases CVE-2026-22079 GHSA-mqvr-qq2m-5v38

Cleartext Transmission Vulnerability in Tenda Wireless Routers

LOW 38CWE-319Published 2026-01-09 · Updated 2026-01-09

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-319.

Summary

This vulnerability exists in Tenda wireless routers (300Mbps Wireless Router F3 and N300 Easy Setup Router) due to the plaintext transmission of login credentials during the initial login or post-factory reset setup through the web-based administrative interface. An attacker on the same network could exploit this vulnerability by intercepting network traffic and capturing the credentials transmitted in plaintext. Successful exploitation of this vulnerability could allow the attacker to obtain sensitive information and gain unauthorized access to the targeted device.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0012 1st 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: Total

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Tenda	300Mbps Wireless Router F3 and N300 Easy Setup Router	F3 v3.0 Firmware V12.01.01.41; F3 v3.0 Firmware V12.01.01.42; F3 v3.0 Firmware V12.01.01.48; F3 v3.0 Firmware V12.01.01.52; F3 v3.0 Firmware V12.01.01.55; F3 v4.0 Firmware V03.03.01.40	—	No fix listed	CNA

300Mbps Wireless Router F3 and N300 Easy Setup Router VendorTenda Affected F3 v3.0 Firmware V12.01.01.41; F3 v3.0 Firmware V12.01.01.42; F3 v3.0 Firmware V12.01.01.48; F3 v3.0 Firmware V12.01.01.52; F3 v3.0 Firmware V12.01.01.55; F3 v4.0 Firmware V03.03.01.40 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-22079
2026-10-03 Alias added: GHSA-mqvr-qq2m-5v38

References

Advisory 1

https://www.cert-in.org.in/s2cMainServlet?pageid=PUBVLNOTES01&VLCODE=CIVN-2026-0004

TI-2021-11772 An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN. KEVCVSS 3.1CRITICAL 9.8
TI-2020-08863 The goform/setUsbUnload endpoint of Tenda AC15 AC1900 version 15.03.05.19 allows remote… KEVCVSS 3.1CRITICAL 9.8
TI-2018-10434 An issue was discovered on Tenda AC7 devices with firmware through V15.03.06.44_CN(AC7)… KEVCVSS 3.1CRITICAL 9.8
TI-2026-78650 Stack-based buffer overflow in Tenda AC19 web management service CVSS 4.0CRITICAL 10.0
TI-2026-66119 Tenda HG7/HG9/HG10 Boa Web Server formLoopBack boaGetVar stack-based overflow CVSS 4.0CRITICAL 10.0
TI-2026-57025 Tenda AC18 Telnet telnet missing authentication CVSS 4.0CRITICAL 10.0

See all 1963 →

Sources

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