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Public proof of concept

CVE-2026-11499

A public proof of concept exists; no exploitation attested.

  • Published2026-06-08
  • WeaknessCWE-119 · CWE-121

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability was determined in Tenda HG7, HG9 and HG10 300001138_en_xpon. This affects the function formDOMAINBLK of the file /boaform/formDOMAINBLK. Executing a manipulation of the argument blkDomain can lead to stack-based buffer overflow. The attack may be performed from remote.

Timeline

dates in UTC
  1. 2026-06-0809:16CVE publishedNVD

Versions per branch

Products declared by the CNA

As VulDB, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • Tenda HG7
    Affected
    • = 300001138_en_xponno fix stated
  • Tenda HG9
    Affected
    • = 300001138_en_xponno fix stated
  • Tenda HG10
    Affected
    • = 300001138_en_xponno fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-10-02

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-11499 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-11-09 09:29 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE recordread 2026-10-23
  • CISA-ADPSSVC decisionnone2026-06-08
  • CNACVSS 4.09.3known since 2026-10-23
  • CNACVSS 3.19.8known since 2026-10-23
  • CNACVSS 2.010known since 2026-10-23
  • CNAweakness (CWE)CWE-119, CWE-121known since 2026-10-23
  • FIRST EPSSEPSS score6.6 %2026-11-09
  • PoC-in-GitHubproof of concept1known since 2026-11-09
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector
CVSS: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:X/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
Published
2026-06-08
Last Modified
2026-10-02
NVD status
Deferred
GitHub Advisory
GHSA-xv62-77m9-3736

Frequently asked questions

What is CVE-2026-11499?

A vulnerability was determined in Tenda HG7, HG9 and HG10 300001138_en_xpon. This affects the function formDOMAINBLK of the file /boaform/formDOMAINBLK. Executing a manipulation of the argument blkDomain can lead to stack-based buffer overflow. The attack may be performed from remote.

Is CVE-2026-11499 actively exploited?

Active exploitation of CVE-2026-11499 has not been confirmed. Its EPSS score was 6.6% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-11499?

CVE-2026-11499 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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