CVE-2026-4253A security flaw has been discovered in Tenda AC8 16.03.50.11.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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A security flaw has been discovered in Tenda AC8 16.03.50.11. This affects the function route_set_user_policy_rule of the file /cgi-bin/UploadCfg of the component Web Interface. The manipulation of the argument wans.policy.list1 results in os command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.
- CVSS
- 7.2 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-77, CWE-78
- 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
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
tenda ac8_firmware tenda:ac8_firmware | 16.03.50.11 | NVD |
References
- https://github.com/digitalandrew/tenda_ac8_v5/blob/main/poc_cmdi_config_upload.pyexploit
- https://vuldb.com/?ctiid.351211permissions-required, vdb-entry
- https://vuldb.com/?id.351211third-party-advisory, vdb-entry
- https://vuldb.com/?submit.771771exploit, third-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.