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Vulnerability record · CVE-2023-7222 · published 9 January 2024

CVE-2023-7222: Totolink x2000r firmware classic buffer overflow vulnerability

TTotolink · X2000r Firmware

A vulnerability was found in Totolink X2000R 1.0.0-B20221212.1452. It has been declared as critical. This vulnerability affects the function formTmultiAP of the file /bin/boa of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-249856. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

9.8 CVSS 3.1 Critical EPSS 1.3% · top 30.3% CWE-120 · Classic buffer overflowCWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score, v2 8.3
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability was found in Totolink X2000R 1.0.0-B20221212.1452. It has been declared as critical. This vulnerability affects the function formTmultiAP of the file /bin/boa of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-249856. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/jylsec/vuldb/blob/main/TOTOLINK/X2000R/formTmultiAP/README.md ExploitThird Party Advisory
https://vuldb.com/?ctiid.249856 Permissions RequiredThird Party Advisory
https://vuldb.com/?id.249856 Permissions RequiredThird Party Advisory
https://github.com/jylsec/vuldb/blob/main/TOTOLINK/X2000R/formTmultiAP/README.md ExploitThird Party Advisory
https://vuldb.com/?ctiid.249856 Permissions RequiredThird Party Advisory
https://vuldb.com/?id.249856 Permissions RequiredThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-22529Totolink x2000r firmware command injection vulnerabilityTOTOLINK X2000R_V2 V2.0.0-B20230727.10434 has a command injection vulnerability in the sub_449040 (handle function of formUploadFile) of /bin/boa.EPSS 1.7%9.8CVE-2023-7208Totolink x2000r firmware classic buffer overflow vulnerabilityA vulnerability classified as critical was found in Totolink X2000R_V2 2.0.0-B20230727.10434. This vulnerability affects the function formTmultiAP of…EPSS 1.7%9.8CVE-2023-51133Totolink x2000r firmware out-of-bounds write vulnerabilityTOTOLINK X2000R Gh v1.0.0-B20230221.0948.web was discovered to contain a stack overflow via the function formRoute.EPSS 0.64%9.8CVE-2023-51135Totolink x2000r firmware out-of-bounds write vulnerabilityTOTOLINK X2000R Gh v1.0.0-B20230221.0948.web was discovered to contain a stack overflow via the function formPasswordSetup.EPSS 0.64%9.8CVE-2023-51136Totolink x2000r firmware out-of-bounds write vulnerabilityTOTOLINK X2000R Gh v1.0.0-B20230221.0948.web was discovered to contain a stack overflow via the function formRebootSchedule.EPSS 0.64%9.8CVE-2023-46548Totolink x2000r firmware out-of-bounds write vulnerabilityTOTOLINK X2000R Gh v1.0.0-B20230221.0948.web was discovered to contain a stack overflow via the function formWlanRedirect.EPSS 0.83%9.8CVE-2023-46549Totolink x2000r firmware out-of-bounds write vulnerabilityTOTOLINK X2000R Gh v1.0.0-B20230221.0948.web was discovered to contain a stack overflow via the function formSetLg.EPSS 0.83%9.8CVE-2023-46550Totolink x2000r firmware out-of-bounds write vulnerabilityTOTOLINK X2000R Gh v1.0.0-B20230221.0948.web was discovered to contain a stack overflow via the function formMapDelDevice.EPSS 0.83%

Source: NIST National Vulnerability Database (record CVE-2023-7222), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.