Tenda F6 Web Management cleartext transmission

published 2026-10-23 16 d ago modified 2026-10-29 10 d ago also EUVD-2026-109146

cvss: 3.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 10%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 10 d ago (2026-10-29)

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/0xWKZER/tenda-f6-vulnerabilities/edit/main/02-Cleartext_Transmission.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	6.3	CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
CNA	3.1	3.7	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CNA	3.0	3.7	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CNA	2.0	2.6	AV:N/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR
CNA	4.0	2.9	CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA	3.1	3.7	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CNA	2.0	2.6	AV:N/AC:H/Au:N/C:P/I:N/A:N

Affected products

Tenda F6

Classification

Weakness

CWE-319 Cleartext Transmission of Sensitive Information
CWE-310 Cryptographic Issues

References

github.com /0xWKZER/tenda-f6-vulnerabilities/edit/main/02-Cleartext_Transmission.md
exploit
vuldb.com /vuln/425975
vdb-entry, technical-description
vuldb.com /vuln/425975/cti
signature, permissions-required
vuldb.com /cve/CVE-2026-115797
third-party-advisory
vuldb.com /submit/1022076
third-party-advisory
tenda.com.cn /
product

Sources

CVE List CVE-2026-115797
NVD CVE-2026-115797

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary