by Kastro
Paper/Archive/CVE-2026-85109

CVE-2026-85109

Tenda HG10 — Tenda HG10 Boa Web Server formLogin buffer overflow

EPSS 1%public exploitCVSS 9.8
critical.is priorityof 100
53
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 65.6.656 × 2013.1Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

A vulnerability was determined in Tenda HG10 300001138. This issue affects the function formLogin of the file /boaform/formLogin of the component Boa Web Server. Executing a manipulation of the argument Username can lead to buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.

Affected

ProductAffectedFixed inSource
HG10300001138–CNA

Scores by source

VulDB (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
VulDB (CNA)9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
VulDB (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

writeupvuldb.com/vuln/398315refvuldb.com/vuln/398315/ctiwriteupvuldb.com/cve/CVE-2026-85109writeupvuldb.com/submit/891994exploitgithub.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/bof-formLogin_username.mdreftenda.com.cn