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CVE-2026-71919 (GCVE-0-2026-71919)

Vulnerability from cvelistv5 – Published: 2026-08-24 17:07 – Updated: 2026-08-24 19:54
VLAI
Title
DrayTek VigorSwitch Multiple Models OS Command Injection via sysreboot
Summary
Multiple DrayTek VigorSwitch models contain a command injection vulnerability in the sysreboot function. The vulnerability is caused by insufficient filtering of the config, act, pathN, and valueN fields before command execution. A remote attacker can trigger this vulnerability via crafted input to execute arbitrary commands with root privileges. Exploitation requires valid administrative credentials for the device's web management interface.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-24 19:54 UTC
CWE
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
Impacted products
Vendor Product Version CPE status
DrayTek Corporation VigorSwitch G2540xs Affected: 0 , < 3.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch P2540xs Affected: 0 , < 3.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch FX2120 Affected: 0 , < 3.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch G2282x Affected: 0 , < 2.10.6 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch P2282x Affected: 0 , < 2.10.6 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch Q2300x Affected: 0 , < 2.10.7 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch PQ2300xb Affected: 0 , < 2.10.7 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch G2542x Affected: 0 , < 3.10.6 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch P2542x Affected: 0 , < 3.10.6 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch P2542xh Affected: 0 , < 3.10.6 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch PX2060 Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch G1280 Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch P1280 Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch P1281x Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch G1282 Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch P1282 Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch G2121 Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch P2121 Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch PQ2121x Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch Q2121x Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch G2280x Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch P2280x Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch Q2200x Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch PQ2200xb Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch G2100 Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch P2100 Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch G2540x Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
DrayTek Corporation VigorSwitch P2540x Affected: 0 , < 2.9.10 (custom)
guessed Create a notification for this product.
Date Public
2026-08-24 00:00
Show details on NVD website

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    "vulnrichment": {
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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