High 8.8Published Apr 27, 2026

CVE-2026-7151Tenda HG3 formIPv6Routing formUploadConfig stack-based overflow

Updated under an hour ago (Oct 26, 2026, 4:10 PM ET)

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It affects Tenda HG3 and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Tenda HG3

Exploited in the last 30 days

A vulnerability was determined in Tenda HG3 2.0. Impacted is the function formUploadConfig of the file /boaform/formIPv6Routing. This manipulation of the argument destNet causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Analyzed
Record last updated: Apr 29, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Tenda HG3 tenda:hg3 (from the name)	2.0	CNA record
tenda hg3_firmware tenda:hg3_firmware	300003070	NVD

References

References

https://vuldb.com/vuln/359750	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/vuln/359750/cti	signature, permissions-required, vdb-entry
https://vuldb.com/submit/802058	third-party-advisory, vdb-entry
https://www.notion.so/33e0c75766a88041bd86d3810994a541	exploit, third-party-advisory
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.