CVE-2026-104611Tenda AC9 POST Request fast_setting_internet_set stack-based overflow
Updated under an hour ago ()
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It affects Tenda AC9. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.49%, higher than 41% of scored CVEs.
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A vulnerability was detected in Tenda AC9 15.03.02.13. Affected is an unknown function of the file /goform/fast_setting_internet_set of the component POST Request Handler. Performing a manipulation of the argument netWanType results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.
- CVSS
- 9.1 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
- Weakness (CWE)
- CWE-121, CWE-119
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.49% (percentile 41)
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Oct 2, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Tenda AC9 tenda:ac9_firmware | 15.03.02.13 | CNA record |
References
- https://vuldb.com/vuln/412918vdb-entry, technical-description
- https://vuldb.com/vuln/412918/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-104611third-party-advisory
- https://vuldb.com/submit/962720third-party-advisory
- https://github.com/ZaneBoden/CVEs/blob/main/Tenda-AC9-fast_setting_internet_set.mdexploit
- 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.