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Vulnerability record · CVE-2023-46977 · published 31 October 2023

CVE-2023-46977: Totolink lr1200gb firmware out-of-bounds write vulnerability

TTotolink · Lr1200gb Firmware

TOTOLINK LR1200GB V9.1.0u.6619_B20230130 was discovered to contain a stack overflow via the password parameter in the function loginAuth.

9.8 CVSS 3.1 Critical EPSS 8.7% · top 5.1% CWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score
8.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

TOTOLINK LR1200GB V9.1.0u.6619_B20230130 was discovered to contain a stack overflow via the password parameter in the function loginAuth.

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/shinypolaris/vuln-reports/blob/master/TOTOLINK%20LR1200GB/1/README.md ExploitThird Party Advisory
https://github.com/shinypolaris/vuln-reports/blob/master/TOTOLINK%20LR1200GB/1/README.md ExploitThird Party Advisory

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Related vulnerabilities

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

9.8CVE-2024-1783Totolink lr1200gb firmware stack-based buffer overflow vulnerabilityA vulnerability classified as critical has been found in Totolink LR1200GB 9.1.0u.6619_B20230130/9.3.5u.6698_B20230810. Affected is the function logi…EPSS 2.0%9.8CVE-2024-0578Totolink lr1200gb firmware stack-based buffer overflow vulnerabilityA vulnerability classified as critical has been found in Totolink LR1200GB 9.1.0u.6619_B20230130. Affected is the function UploadCustomModule of the …EPSS 1.1%9.8CVE-2024-0576Totolink lr1200gb firmware stack-based buffer overflow vulnerabilityA vulnerability was found in Totolink LR1200GB 9.1.0u.6619_B20230130. It has been declared as critical. This vulnerability affects the function setIp…EPSS 0.99%9.8CVE-2024-0577Totolink lr1200gb firmware stack-based buffer overflow vulnerabilityA vulnerability was found in Totolink LR1200GB 9.1.0u.6619_B20230130. It has been rated as critical. This issue affects the function setLanguageCfg o…EPSS 0.99%9.8CVE-2024-0574Totolink lr1200gb firmware stack-based buffer overflow vulnerabilityA vulnerability was found in Totolink LR1200GB 9.1.0u.6619_B20230130 and classified as critical. Affected by this issue is the function setParentalRu…EPSS 1.1%9.8CVE-2024-0575Totolink lr1200gb firmware stack-based buffer overflow vulnerabilityA vulnerability was found in Totolink LR1200GB 9.1.0u.6619_B20230130. It has been classified as critical. This affects the function setTracerouteCfg …EPSS 1.1%9.8CVE-2024-0573Totolink lr1200gb firmware stack-based buffer overflow vulnerabilityA vulnerability has been found in Totolink LR1200GB 9.1.0u.6619_B20230130 and classified as critical. Affected by this vulnerability is the function …EPSS 1.1%9.8CVE-2024-0572Totolink lr1200gb firmware stack-based buffer overflow vulnerabilityA vulnerability, which was classified as critical, was found in Totolink LR1200GB 9.1.0u.6619_B20230130. Affected is the function setOpModeCfg of the…EPSS 1.3%

Source: NIST National Vulnerability Database (record CVE-2023-46977), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.