Critical 9.8Published Jun 8, 2026

CVE-2026-11499Tenda HG7/HG9/HG10 formDOMAINBLK stack-based overflow

Updated under an hour ago (Oct 27, 2026, 8:30 AM ET)

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It affects Tenda HG7 and 2 other products. Add what you run to find out whether that includes you.

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Every CVE for Tenda HG7

Exploited in the last 30 days

A vulnerability was determined in Tenda HG7, HG9 and HG10 300001138_en_xpon. This affects the function formDOMAINBLK of the file /boaform/formDOMAINBLK. Executing a manipulation of the argument blkDomain can lead to stack-based buffer overflow. The attack may be performed from remote.

CVSS: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:X/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): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Oct 1, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Tenda HG7 tenda:hg7	300001138_en_xpon	CNA record
Tenda HG9 tenda:hg9	300001138_en_xpon	CNA record
Tenda HG10 tenda:hg10	300001138_en_xpon	CNA record

References

References

https://vuldb.com/vuln/369119	vdb-entry, technical-description
https://vuldb.com/vuln/369119/cti	signature, permissions-required
https://vuldb.com/cve/CVE-2026-11499	third-party-advisory
https://vuldb.com/submit/834888	third-party-advisory
https://vuldb.com/submit/888875	third-party-advisory
https://github.com/ssaaaa1234/Tenda-HG10-formDOMAINBLK-stack-overflow-2	related
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.