CVE-2026-71925Network attack vector

Root command execution via unfiltered getDetail credentials

Published Aug 24, 2026 · Updated Aug 24, 2026

Command injection in DrayTek VigorSwitch firmware before the listed fixes allows remote authenticated users to execute root commands. The getDetail function passes insufficiently filtered username and password fields into command execution. Administrative web-interface credentials are required; DrayTek confirms the code condition but reports no known practical trigger in deployed devices.

CVSS severity8.6
High
EPSS probability3.05%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Command injection in DrayTek VigorSwitch firmware before the listed fixes allows remote authenticated users to execute root commands. The getDetail function passes insufficiently filtered username and password fields into command execution. Administrative web-interface credentials are required; DrayTek confirms the code condition but reports no known practical trigger in deployed devices.

The record

CVE
CVE-2026-71925
Published
Aug 24, 2026
Updated
Aug 24, 2026
Vendor
DrayTek
Product
VigorSwitch P2100
Classifications
CWE-78, T1059
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Aug 24, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 24, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <2.9.10

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

DrayTek · VigorSwitch P2100version=0 <2.9.10
DrayTek · VigorSwitch FX2120version=0 <3.9.10
DrayTek · VigorSwitch P2282xversion=0 <2.10.6
DrayTek · VigorSwitch G2121version=0 <2.9.10
DrayTek · VigorSwitch Q2300xversion=0 <2.10.7
DrayTek · VigorSwitch P2280xversion=0 <2.9.10
DrayTek · VigorSwitch G1282version=0 <2.9.10
DrayTek · VigorSwitch PX2060version=0 <2.9.10
DrayTek · VigorSwitch P1281xversion=0 <2.9.10
DrayTek · VigorSwitch G2540xsversion=0 <3.9.10
DrayTek · VigorSwitch G1280version=0 <2.9.10
DrayTek · VigorSwitch PQ2121xversion=0 <2.9.10
DrayTek · VigorSwitch P2540xversion=0 <2.9.10
DrayTek · VigorSwitch P2542xhversion=0 <3.10.6
DrayTek · VigorSwitch G2542xversion=0 <3.10.6
DrayTek · VigorSwitch G2100version=0 <2.9.10
DrayTek · VigorSwitch G2540xversion=0 <2.9.10
DrayTek · VigorSwitch G2280xversion=0 <2.9.10
DrayTek · VigorSwitch PQ2200xbversion=0 <2.9.10
DrayTek · VigorSwitch P1282version=0 <2.9.10
DrayTek · VigorSwitch PQ2300xbversion=0 <2.10.7
DrayTek · VigorSwitch P1280version=0 <2.9.10
DrayTek · VigorSwitch P2121version=0 <2.9.10
DrayTek · VigorSwitch Q2200xversion=0 <2.9.10
DrayTek · VigorSwitch P2540xsversion=0 <3.9.10
DrayTek · VigorSwitch Q2121xversion=0 <2.9.10
DrayTek · VigorSwitch P2542xversion=0 <3.10.6
DrayTek · VigorSwitch G2282xversion=0 <2.10.6

Published CVSS scores

7.2VulnCheckCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
8.6VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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