VulnerabilityAnalyzed
CVE-2025-9091
Affected by this vulnerability is an unknown functionality of the file /etc_ro/shadow.
LOW 1.1EPSS 0.22%
Does this matter?
Lower severity and a low EPSS score (0.22%). Track it; it rarely justifies an emergency change on its own.
Description
A security flaw has been discovered in Tenda AC20 16.03.08.12. Affected by this vulnerability is an unknown functionality of the file /etc_ro/shadow. The manipulation leads to hard-coded credentials. It is possible to launch the attack on the local host. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used.
- CVSS 4.0
- 1.1 LOWCVSS:4.0/AV:L/AC:H/AT:N/PR:L/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/M
- EPSS
- 0.22% probability · 13th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-259, CWE-798
- Affected
- tenda/ac20 firmware
- Source
- cna@vuldb.com
References
- https://github.com/ZZ2266/.github.io/blob/main/AC20/hardcoded%20password/readme.md#descriptionExploit, Third Party Advisory
- https://github.com/ZZ2266/.github.io/tree/main/AC20/hardcoded%20password/readme.mdExploit, Third Party Advisory
- https://vuldb.com/?ctiid.320359Permissions Required, VDB Entry
- https://vuldb.com/?id.320359Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.632268Third Party Advisory, VDB Entry
- https://www.tenda.com.cn/Product
- https://github.com/ZZ2266/.github.io/blob/main/AC20/hardcoded%20password/readme.mdExploit, Third Party Advisory
- https://github.com/ZZ2266/.github.io/blob/main/AC20/hardcoded%20password/readme.md#descriptionExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.