CVE-2026-3399
A vulnerability was identified in Tenda F453 1.0.0.3.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.72%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A vulnerability was identified in Tenda F453 1.0.0.3. Affected by this vulnerability is the function fromGstDhcpSetSer of the file /goform/GstDhcpSetSer of the component httpd. The manipulation of the argument dips leads to buffer overflow. The attack may be initiated remotely. The exploit is publicly available and might 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
- 3.72% probability · 90th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-120
- Affected
- tenda/f453 firmware
- Source
- cna@vuldb.com
EPSS moved from 1.0% on 24 September 2026 to 3.7% on 27 October 2026.
References
- https://github.com/Litengzheng/vul_db/blob/main/F453/vul_83/README.mdExploit, Third Party Advisory
- https://vuldb.com/?ctiid.348294Permissions Required, VDB Entry
- https://vuldb.com/?id.348294Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.759631Third Party Advisory, VDB Entry
- https://www.tenda.com.cn/Product
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.