CVE-2026-2909A vulnerability was detected in Tenda HG9 300001138.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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A vulnerability was detected in Tenda HG9 300001138. This affects an unknown part of the file /boaform/formPing of the component Diagnostic Ping Endpoint. Performing a manipulation of the argument pingAddr 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
- 8.8 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/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
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
tenda hg9_firmware tenda:hg9_firmware | 300001138 | NVD |
References
- https://github.com/QIU-DIE/cve-nneeww/issues/11exploit, issue-tracking, mitigation, third-party-advisory
- https://vuldb.com/?ctiid.347218permissions-required, vdb-entry
- https://vuldb.com/?id.347218third-party-advisory, vdb-entry
- https://vuldb.com/?submit.755211third-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.