CVE-2025-9778: tenda w12_firmware Use of Hard-coded Password
Vulnerability summary
CVE-2025-9778 is a high (CVSS 7.0) Use of Hard-coded Password vulnerability in tenda w12_firmware. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 3.1% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 01-09-2025PublishedVulnerability first disclosed.
- 02-09-2025Last modifiedVulnerability information updated.
Description
A security vulnerability has been detected in Tenda W12 up to 3.0.0.6(3948). Affected is an unknown function of the file /etc_ro/shadow of the component Administrative Interface. The manipulation leads to hard-coded credentials. An attack has to be approached locally. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed publicly and may be used.
CVSS metrics
7 scores · 2 sources · 4 versions- NVDNIST0.9LowCVSS: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:XDiffers
- CVE.orgCNA1.9LowCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:RDiffers
- NVDNIST0.8LowAV:L/AC:H/Au:M/C:P/I:N/A:N
EPSS trend
Probability
0.14%
Chance of exploitation in the next 30 days
Percentile
3%
Versus all other CVEs
30-day change
0.00 pp
From 0.14% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundYu
Maturity: poc
Weaknesses
CWE · root cause- CWE-259Use of Hard-coded PasswordThe product contains a hard-coded password, which it uses for its own inbound authentication or for outbound communication to external components.
- CWE-798Use of Hard-coded CredentialsThe product contains hard-coded credentials, such as a password or cryptographic key.
Affected systems
Tenda1 product
- w12_firmware1.0.0.1(5411) | 1.0.0.5(9419) | 2.0.0.3(8326) | 2.0.0.6(10720) | 3.0.0.5(3644) | 3.0.0.6\(3948\)
1 vendor · 1 product
References
6 links- www.tenda.com.cnProduct