Totolink LR350 Firmware vulnerabilities

36 CVEs affecting Totolink LR350 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-4976, published 2026-03-27.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2024-35387, published 2024-05-24. Critical severity, CVSS 9.8. EPSS: 6.1% chance of exploitation in the next 30 days. TOTOLINK LR350 V9.3.5u.6369_B20220309 was discovered to contain a stack overflow via the http_host parameter in the function loginAuth.
CVE-2024-7214, published 2024-07-30. High severity, CVSS 8.8. EPSS: 3.2% chance of exploitation in the next 30 days. A vulnerability has been found in TOTOLINK LR350 9.3.5u.6369_B20220309 and classified as critical. Affected by this vulnerability is the function setWanCfg of the file /cgi-bin/cstecgi.cgi. The…
CVE-2026-1149, published 2026-01-19. High severity, CVSS 8.8. EPSS: 3% chance of exploitation in the next 30 days. A vulnerability was identified in Totolink LR350 9.3.5u.6369_B20220309. This issue affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The…
CVE-2026-1150, published 2026-01-19. High severity, CVSS 8.8. EPSS: 2.6% chance of exploitation in the next 30 days. A security flaw has been discovered in Totolink LR350 9.3.5u.6369_B20220309. Impacted is the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The…
CVE-2022-44258, published 2022-11-23. High severity, CVSS 8.8. EPSS: 2.4% chance of exploitation in the next 30 days. TOTOLINK LR350 V9.3.5u.6369_B20220309 contains a post-authentication buffer overflow via parameter command in the setTracerouteCfg function.
CVE-2022-44255, published 2022-11-23. Critical severity, CVSS 9.8. EPSS: 2.3% chance of exploitation in the next 30 days. TOTOLINK LR350 V9.3.5u.6369_B20220309 contains a pre-authentication buffer overflow in the main function via long post data.
CVE-2022-44260, published 2022-11-23. High severity, CVSS 8.8. EPSS: 2.2% chance of exploitation in the next 30 days. TOTOLINK LR350 V9.3.5u.6369_B20220309 contains a post-authentication buffer overflow via parameter sPort/ePort in the setIpPortFilterRules function.
CVE-2022-44259, published 2022-11-23. High severity, CVSS 8.8. EPSS: 2.2% chance of exploitation in the next 30 days. TOTOLINK LR350 V9.3.5u.6369_B20220309 contains a post-authentication buffer overflow via parameter week, sTime, and eTime in the setParentalRules function.
CVE-2022-44257, published 2022-11-23. High severity, CVSS 8.8. EPSS: 2.2% chance of exploitation in the next 30 days. TOTOLINK LR350 V9.3.5u.6369_B20220309 contains a post-authentication buffer overflow via parameter pppoeUser in the setOpModeCfg function.
CVE-2022-44254, published 2022-11-23. High severity, CVSS 8.8. EPSS: 2.2% chance of exploitation in the next 30 days. TOTOLINK LR350 V9.3.5u.6369_B20220309 contains a post-authentication buffer overflow via parameter text in the setSmsCfg function.

Latest

CVE-2026-4976, published 2026-03-27. High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days. A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309. This vulnerability affects the function setWiFiGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid…
CVE-2026-1158, published 2026-01-19. High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days. A security flaw has been discovered in Totolink LR350 9.3.5u.6369_B20220309. This vulnerability affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request…
CVE-2026-1157, published 2026-01-19. High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days. A vulnerability was identified in Totolink LR350 9.3.5u.6369_B20220309. This affects the function setWiFiEasyCfg of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument ssid leads to…
CVE-2026-1156, published 2026-01-19. High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days. A vulnerability was determined in Totolink LR350 9.3.5u.6369_B20220309. Affected by this issue is the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument ssid…
CVE-2026-1155, published 2026-01-19. High severity, CVSS 8.8. EPSS: 0.9% chance of exploitation in the next 30 days. A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309. Affected by this vulnerability is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the…
CVE-2025-63465, published 2025-10-31. High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days. Totolink LR350 v9.3.5u.6369_B20220309 was discovered to contain a stack overflow via the ssid parameter in the sub_422880 function. This vulnerability allows attackers to cause a Denial of Service…
CVE-2025-63464, published 2025-10-31. High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days. Totolink LR350 v9.3.5u.6369_B20220309 was discovered to contain a stack overflow via the ssid parameter in the sub_42396C function. This vulnerability allows attackers to cause a Denial of Service…
CVE-2025-63463, published 2025-10-31. High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days. Totolink LR350 v9.3.5u.6369_B20220309 was discovered to contain a stack overflow via the wifiOff parameter in the sub_4232EC function. This vulnerability allows attackers to cause a Denial of Service…