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No exploitation reportedAwaiting NVD analysis

CVE-2026-121607

Qihoo 360 D603-2/D600-2/D606-6/D706 iscm testspeed_command os command injection

No exploitation reported by the sources we read.

  • Published2026-11-04
  • WeaknessCWE-77 · CWE-78

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 found in Qihoo 360 D603-2, D600-2, D606-6 and D706 up to 6.4.9. This affects the function testspeed_command of the file /fs2/bin/iscm. Performing a manipulation of the argument host results in os command injection. The attack may be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Timeline

dates in UTC
  1. 2026-11-0401:15CVE publishedCNA

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-121607?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-121607?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

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.

  • Qihoo 360 D603-2
    Affected
    • = 6.4.0no fix stated
    • = 6.4.1no fix stated
    • = 6.4.2no fix stated
    • = 6.4.3no fix stated
    • = 6.4.4no fix stated
    • = 6.4.5no fix stated
    • = 6.4.6no fix stated
    • = 6.4.7no fix stated

    2 more version lines in the CVE record.

  • Qihoo 360 D600-2
    Affected
    • = 6.4.0no fix stated
    • = 6.4.1no fix stated
    • = 6.4.2no fix stated
    • = 6.4.3no fix stated
    • = 6.4.4no fix stated
    • = 6.4.5no fix stated
    • = 6.4.6no fix stated
    • = 6.4.7no fix stated

    2 more version lines in the CVE record.

  • Qihoo 360 D606-6
    Affected
    • = 6.4.0no fix stated
    • = 6.4.1no fix stated
    • = 6.4.2no fix stated
    • = 6.4.3no fix stated
    • = 6.4.4no fix stated
    • = 6.4.5no fix stated
    • = 6.4.6no fix stated
    • = 6.4.7no fix stated

    2 more version lines in the CVE record.

  • Qihoo 360 D706
    Affected
    • = 6.4.0no fix stated
    • = 6.4.1no fix stated
    • = 6.4.2no fix stated
    • = 6.4.3no fix stated
    • = 6.4.4no fix stated
    • = 6.4.5no fix stated
    • = 6.4.6no fix stated
    • = 6.4.7no fix stated

    2 more version lines in the CVE record.

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-04

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-121607 yet.

Full record on NVD

Fix

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

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE record2026-11-04
  • CNACVSS 4.0102026-11-04
  • CNACVSS 3.1102026-11-04
  • CNACVSS 3.0102026-11-04
  • CNACVSS 2.0102026-11-04
  • CNAweakness (CWE)CWE-77, CWE-782026-11-04

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C
CVSS 4.0 vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
Published
2026-11-04

Frequently asked questions

What is CVE-2026-121607?

A vulnerability was found in Qihoo 360 D603-2, D600-2, D606-6 and D706 up to 6.4.9. This affects the function testspeed_command of the file /fs2/bin/iscm. Performing a manipulation of the argument host results in os command injection. The attack may be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Is CVE-2026-121607 actively exploited?

Active exploitation of CVE-2026-121607 has not been confirmed.

What is the CVSS score for CVE-2026-121607?

CVE-2026-121607 has a CVSS v3 base score of 10 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C.

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