TI-2026-79976 Aliases CVE-2026-115797 GHSA-prx2-chrc-4rxp

Cleartext transmission in Tenda F6 web management interface

MEDIUM 61CWE-310Published 2026-10-23 · Updated 2026-10-29

Key facts

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

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

Summary

Tenda F6 version 12.02.01.73 is affected by a cleartext transmission weakness in its Web Management Interface. Manipulating the ecos_pw argument of an unknown function causes sensitive information to be sent without encryption (CWE-319). A remote attacker needs no privileges or user interaction, but the attack is highly complex and difficult to exploit. A public exploit is available.

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

Description from the CNA

A weakness has been identified in Tenda F6 12.02.01.73. Affected is an unknown function of the component Web Management Interface. Executing a manipulation of the argument ecos_pw can lead to cleartext transmission of sensitive information. The attack may be launched remotely. This attack is characterized by high complexity. The exploitability is told to be difficult. The exploit has been made available to the public and could be used for attacks.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00202 10th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
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

Vendor	Product	Affected versions	Fixed in	Status	Source
Tenda	F6	12.02.01.73	—	No fix listed	CNA

F6 VendorTenda Affected 12.02.01.73 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:h:tenda:f6::::::::	—	—	Tenda

cpe:2.3:h:tenda:f6:*:*:*:*:*:*:*:* Versions — — ·Tenda

Remediation

The sources list no fixed version for Tenda F6.

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

Timeline

2026-10-23 Threatist record created from CVE-2026-115797
2026-10-23 Alias added: GHSA-prx2-chrc-4rxp
2026-10-24 Priority changed: MEDIUM → LOW
2026-10-29 CISA SSVC decision points changed
2026-10-29 Priority changed: LOW → MEDIUM

References

Exploit 1

https://github.com/0xWKZER/tenda-f6-vulnerabilities/edit/main/02-Cleartext_Transmission.md

Other 1

https://www.tenda.com.cn/

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