critical
9.8
CWE
787 119
Advisory Published
Updated

CVE-2021-33945: Buffer Overflow

First published: Tue Feb 15 2022(Updated: )

RICOH Printer series SP products 320DN, SP 325DNw, SP 320SN, SP 320SFN, SP 325SNw, SP 325SFNw, SP 330SN, Aficio SP 3500SF, SP 221S, SP 220SNw, SP 221SNw, SP 221SF, SP 220SFNw, SP 221SFNw v1.06 were discovered to contain a stack buffer overflow in the file /etc/wpa_supplicant.conf. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Ricoh SP 320DN Firmware=1.06
Ricoh SP 320DN Firmware
Ricoh SP 325DNW Firmware=1.06
Ricoh SP 325SFNW
Ricoh SP 320SN Firmware=1.06
Ricoh SP 320SN Firmware
Ricoh SP 320SFN Firmware=1.06
Ricoh SP 320SFN Firmware
Ricoh SP 325SNW Firmware=1.06
Ricoh SP 325SFNW
Ricoh SP 325SNW Firmware=1.06
Ricoh SP 325dnw
Ricoh SP 330SN Firmware=1.06
Ricoh SP 330SN Firmware
Ricoh Aficio SP 3500SF=1.06
Ricoh Aficio SP 3500SF Firmware
Ricoh SP 221SFNW Firmware=1.06
Ricoh SP 221s Firmware
Ricoh SP 220NW Firmware=1.06
Ricoh SP 220NW
Ricoh SP 221SFNW Firmware=1.06
Ricoh SP 221SNW Firmware
Ricoh SP 221SFNW=1.06
Ricoh SP 221SF Firmware
Ricoh SP 220SFNw=1.06
Ricoh SP 220SFNW Firmware
Ricoh SP 221SFNW Firmware=1.06
Ricoh SP 221SFNW Firmware
Ricoh M C2000 Firmware
Ricoh M C2000 Firmware
Ricoh M C250fw
Ricoh M C250fwb Firmware
Ricoh M C250fwb Firmware
Ricoh M C250fwb Firmware
Ricoh SP C260SFNw Firmware
Ricoh SP C260SFNw Firmware
Ricoh SP C262SFNw
Ricoh Sp C262sfnw Firmware
Ricoh SP C261sfnw Firmware
Ricoh SP C261sfnw Firmware
Ricoh SP C250SF
Ricoh SP C250SF Firmware
Ricoh SP C252sf Firmware
Ricoh SP C252sf Firmware
Ricoh P C300w Firmware
Ricoh P C300w Firmware
Ricoh P C301w Firmware
Ricoh P C301w Firmware
Ricoh SP C260dnw
Ricoh SP C260dnw Firmware
Ricoh SP C262dnw Firmware
Ricoh Sp C262dnw Firmware
Ricoh Sp C261sfnw
Ricoh SP C261dnw
Ricoh SP C250dn Firmware
Ricoh Sp C250sf
Ricoh SP C252dn Firmware
Ricoh SP C252dn Firmware
Ricoh M 320 Firmware
Ricoh M 320 Firmware
Ricoh M 320 Firmware
Ricoh M 320
Ricoh M 320 Firmware
Ricoh M 320
Ricoh M 2700 Firmware
Ricoh M 2700 Firmware
Ricoh M 2701
Ricoh M 2701 Firmware
Ricoh SP 330SN Firmware
Ricoh SP 330SFN Firmware
Ricoh SP 330SFN Firmware
Ricoh SP 3710SF Firmware
Ricoh SP 3710SF Firmware
Ricoh SP 220NW Firmware
Ricoh SP 221SFNW Firmware
Ricoh SP 220SFNw
Ricoh SP 221SFNW Firmware
Ricoh SP 277SFNWX Firmware
Ricoh SP 277Nwx
Ricoh SP 277SNWX Firmware
Ricoh SP 377SFNwX Firmware
Ricoh SP 325SNW Firmware
Ricoh SP 325SNW Firmware
Ricoh SP 377SNWX Firmware
Ricoh SP 377SNWX Firmware
Ricoh SP 377SFNwX Firmware
Ricoh SP 377SFNwX Firmware
Ricoh SP 212SFw Firmware
Ricoh SP 212SFNW Firmware
Ricoh SP 212SUW Firmware
Ricoh SP 212SFw Firmware
Ricoh SP 212SNW Firmware
Ricoh SP 212SFNw
Ricoh SP 212SUW Firmware
Ricoh SP 212SUW Firmware
Ricoh SP 213SNW Firmware
Ricoh SP 213w
Ricoh SP 213SNW Firmware
Ricoh SP 213w
Ricoh SP 213SNW Firmware
Ricoh SP 213nw Firmware
Ricoh SP 213SUW Firmware
Ricoh SP 213SUW Firmware
Ricoh SP 311sfnw Firmware
Ricoh SP 311sfnw Firmware
Ricoh SP 310SFNW Firmware
Ricoh SP 310SFNW Firmware
Ricoh SP 312SFNW Firmware
Ricoh SP 312SFNW Firmware
Ricoh P 310
Ricoh P 310
Ricoh P 311
Ricoh P 311 Firmware
Ricoh SP 330DN Firmware
Ricoh SP 330DN Firmware
Ricoh SP 3710DN Firmware
Ricoh SP 3710DN Firmware
Ricoh SP 220NW
Ricoh SP 220NW
Ricoh SP 221SFNW Firmware
Ricoh SP 221SFNW
Ricoh SP 277SFNWX Firmware
Ricoh SP 277Nwx Firmware
Ricoh SP 325DNW Firmware
Ricoh SP 377DNWX Firmware
Ricoh SP 377DNWX Firmware
Ricoh SP 212nw
Ricoh SP 212SFNw
Ricoh SP 212SUW Firmware
Ricoh SP 212w Firmware
Ricoh SP 213w Firmware
Ricoh SP 213SNW Firmware
Ricoh SP 213SNW Firmware
Ricoh SP 213w Firmware
Ricoh SP 311DNW
Ricoh P 311
Ricoh SP 310DNW Firmware
Ricoh SP 310DNW Firmware
Ricoh SP 312DNW Firmware
Ricoh SP 312DNW Firmware

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-33945?

    The severity of CVE-2021-33945 is rated as high due to the risk of stack buffer overflow leading to potential remote code execution.

  • How do I fix CVE-2021-33945?

    To fix CVE-2021-33945, users should update the affected Ricoh printer firmware to version higher than 1.06.

  • Which Ricoh printer models are affected by CVE-2021-33945?

    CVE-2021-33945 affects the Ricoh SP series models listed along with Aficio SP 3500SF using firmware version 1.06.

  • What is the nature of the vulnerability CVE-2021-33945?

    CVE-2021-33945 is characterized as a stack buffer overflow vulnerability located in the /etc/wpa_supplicant.conf file.

  • Can CVE-2021-33945 be exploited remotely?

    Yes, CVE-2021-33945 can potentially be exploited remotely, which elevates the risk for targeted attacks.

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