High severity · published Jan 30, 2026
CVE-2026-1689
Tenda HG10 Login formLogin checkUserFromLanOrWan command injection
7.3
CVSS
3.1%
EPSS
No
On KEV
Description
A vulnerability was detected in Tenda HG10 US_HG7_HG9_HG10re_300001138_en_xpon. The impacted element is the function checkUserFromLanOrWan of the file /boaform/admin/formLogin of the component Login Interface. The manipulation of the argument Host results in command injection. The attack can be launched remotely. The exploit is now public and may be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.1% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HG
HG10 · Tenda
US_HG7_HG9_HG10re_300001138_en_xpon · source: vendor
HF
Hg10 Firmware · Tenda
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1689
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1689
Exploit
https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/formLogin-Host-command.md
Exploit
https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/formLogin-Host-command.md#poc
Permissions Required
https://vuldb.com/?ctiid.343483
Third Party Advisory
https://vuldb.com/?id.343483
Third Party Advisory
https://vuldb.com/?submit.741411
Product
https://www.tenda.com.cn/
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