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CVE-2026-1689

24
FAUCET Score

CVE-2026-1689 is a command injection vulnerability found in the login interface of Tenda HG10 US_HG7_HG9_HG10re_300001138_en_xpon firmware, specifically within the checkUserFromLanOrWan function. This flaw allows remote attackers to execute arbitrary commands by manipulating the 'Host' argument during login. With a CVSS score of 7.3 (HIGH), it poses a significant risk due to its low attack complexity and potential for partial impact on confidentiality, integrity, and availability. While the exploit is publicly available, there is no evidence of active exploitation, nor are there any Metasploit or Nuclei modules, and it has garnered minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:tenda:hg10_firmware:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

5.5MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
LOW
VS Integrity
LOW
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
PROOF_OF_CONCEPT
CvssVersion
4.0

Exploit Intelligence

EPSS Score
2.54%
Probability of exploitation in next 30 days
EPSS Percentile
83.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0254 is in the 70th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/formLogin-Host-command.md
ExploitThird Party Advisory
github.com / SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/formLogin-Host-command.md
Exploit
vuldb.com
Permissions RequiredVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry
tenda.com.cn
Product