VAR-200604-0339

Vulnerability from variot - Updated: 2025-04-03 22:42

Multiple unspecified vulnerabilities in Linksys RT31P2 VoIP router allow remote attackers to cause a denial of service via malformed Session Initiation Protocol (SIP) messages. Linksys RT31P2 is a broadband router that supports VoIP phone functions. This issue allows remote attackers to crash affected devices, denying service to legitimate users.

SOLUTION: The product has reportedly been discontinued.

Filter traffic or use another product.

PROVIDED AND/OR DISCOVERED BY: Peter Thermos and Guy Hadsall, Telcordia.

ORIGINAL ADVISORY: US-CERT VU#621566: http://www.kb.cert.org/vuls/id/621566

About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities.

Subscribe: http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/

Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor.

Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org

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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.


Detection rules are retrieved from Rulezet.