CVE-2025-15255A vulnerability was determined in Tenda W6-S 1.0.0.4(510).
Updated under an hour ago ()
Does this affect you?
It affects tenda w6-s_firmware. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
A vulnerability was determined in Tenda W6-S 1.0.0.4(510). This impacts an unknown function of the file /bin/httpd of the component R7websSsecurityHandler. Executing a manipulation of the argument Cookie can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.
- CVSS
- 9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-119, CWE-121
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
tenda w6-s_firmware tenda:w6-s_firmware | 1.0.0.4(510) | NVD |
References
- https://github.com/dwBruijn/CVEs/blob/main/Tenda/R7WebsSecurityHandler.mdexploit, third-party-advisory
- https://vuldb.com/?ctiid.338645permissions-required, vdb-entry
- https://vuldb.com/?id.338645third-party-advisory, vdb-entry
- https://vuldb.com/?submit.725500third-party-advisory, vdb-entry
- https://www.tenda.com.cn/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.