VAR-201212-0169

Vulnerability from variot - Updated: 2025-04-11 22:49

The restricted telnet shell on the D-Link DSL2730U router allows remote authenticated users to bypass intended command restrictions via shell metacharacters that follow a whitelisted command. An authenticated attacker can chain unauthorized commands through authorized commands in order to bypass the command whitelisting. D-Link DSL-2730u In OS A command injection vulnerability exists. The D-Link DSL2730U is a router device. Since there is no full filtering, a similar \"echo | ls\" is submitted. Commands that bypass the restrictions and execute \"sh -c echo | ls\" in the underlying environment. D-Link DSL2730U is prone to a remote command-injection vulnerability. Attackers can exploit this issue to execute arbitrary commands within the context of the affected device. D-Link is a network company founded by Taiwan D-Link Group, dedicated to the R&D, production and marketing of LAN, broadband network, wireless network, voice network and related network equipment

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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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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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