VulnerabilityAnalyzed
CVE-2025-5839
A vulnerability, which was classified as critical, has been found in Tenda AC9 15.03.02.13.
HIGH 7.4EPSS 0.99%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.99%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A vulnerability, which was classified as critical, has been found in Tenda AC9 15.03.02.13. Affected by this issue is the function fromadvsetlanip of the file /goform/AdvSetLanip of the component POST Request Handler. The manipulation of the argument lanMask leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
- CVSS 4.0
- 7.4 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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
- 0.99% probability · 61th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-120
- Affected
- tenda/ac9 firmware
- Source
- cna@vuldb.com
References
- https://candle-throne-f75.notion.site/Tenda-AC9-fromadvsetlanip-20adf0aa11858027b7c3c2f4e44bb867Exploit, Third Party Advisory
- https://vuldb.com/?ctiid.311582Permissions Required
- https://vuldb.com/?id.311582Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.591369Third Party Advisory, VDB Entry
- https://www.tenda.com.cn/Product
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.