Buffer overflow in Tenda Hg10
CVE-2026-104610
A security vulnerability has been detected in Tenda HG7, HG9 and HG10 300001138_en_xpon. This impacts the function boaGetVar of the file /boaform/formLoopBack of the component Boa Web Server. Such manipulation of the argument Ethtype leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Tenda Hg10 — versions 300001138_en_xpon
- Tenda Hg7 — versions 300001138_en_xpon
- Tenda Hg9 — versions 300001138_en_xpon
Weakness classification (CWE)
References
- vuldb.com/vuln/412917 (technical-description, vdb-entry)
- vuldb.com/vuln/412917/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-104610 (third-party-advisory)
- vuldb.com/submit/962541 (third-party-advisory)
- github.com/Expl0rer-Ct/CVE/issues/1 (issue-tracking, exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2026-104610?
- CVE-2026-104610 is a critical-severity vulnerability in Tenda Hg10, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 10.0/10. Published 2026-10-02.
- How severe is CVE-2026-104610?
- Critical severity. CVSS v3 base score is 10.0 out of 10.