Tenda F1202 Administrative shadow hard-coded credentials

published 2025-09-02 14 mo ago modified 2026-09-30 39 d ago also EUVD-2025-26370

cvss: 1.9; 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 5%
public exploits: 0; none known

A vulnerability was determined in Tenda F1202 1.2.0.9/1.2.0.14/1.2.0.20. Impacted is an unknown function of the file /etc_ro/shadow of the component Administrative Interface. This manipulation with the input Fireitup causes hard-coded credentials. The attack can only be executed locally. A high degree of complexity is needed for the attack. The exploitability is considered difficult. The exploit has been publicly disclosed and may be utilized.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 14 mo ago (2025-09-02)

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/August829/Yu/blob/main/58ead8e7e08bfb0e9.md#steps-to-reproduce referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	1.8	CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
CNA	3.1	1.9	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CNA	3.0	1.9	CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CNA	2.0	0.8	AV:L/AC:H/Au:M/C:P/I:N/A:N/E:POC/RL:ND/RC:UR
CNA	4.0	0.9	CVSS:4.0/AV:L/AC:H/AT:N/PR:H/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	1.9	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N
NVD	3.1	6.4	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA	2.0	0.8	AV:L/AC:H/Au:M/C:P/I:N/A:N

Affected products

Tenda F1202

Classification

Weakness

CWE-798 Use of Hard-coded Credentials
CWE-259 Use of Hard-coded Password

References

github.com /August829/Yu/blob/main/58ead8e7e08bfb0e9.md#steps-to-reproduce
exploit, broken-link
vuldb.com /?id.322130
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.322130
signature, permissions-required, vdb-entry
vuldb.com /?submit.640980
third-party-advisory, vdb-entry
github.com /August829/Yu/blob/main/58ead8e7e08bfb0e9.md
related, broken-link
tenda.com.cn /
product

Sources

CVE List CVE-2025-9806
NVD CVE-2025-9806

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