a3700r firmware vulnerabilities and fixes

Recent CVEs affecting a3700r firmware, with upgrade or downgrade steps. 14 tracked.

Also searched as: a3700rfirmware.

a3700r firmware has 14 tracked vulnerabilities, 2 critical. A fixed release or vendor patch exists for 0. Most recent: 2026-01-19. Highest priority: CVE-2024-42545 (score 57/100).

• CVE-2026-1143 HIGH 8.8 MITIGATE A weakness has been identified in TOTOLINK A3700R 9.1.2u.5822_B20200513
• CVE-2025-3675 MEDIUM 5.3 MITIGATE A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513
• CVE-2025-3674 MEDIUM 5.3 MITIGATE A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513
• CVE-2025-3668 MEDIUM 5.3 MITIGATE A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513
• CVE-2025-3667 MEDIUM 5.3 MITIGATE A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513
• CVE-2025-3666 MEDIUM 5.3 MITIGATE A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513 and classified as critical
• CVE-2025-3665 MEDIUM 5.3 MITIGATE A vulnerability has been found in TOTOLINK A3700R 9.1.2u.5822_B20200513 and classified as critical
• CVE-2025-3664 MEDIUM 5.3 MITIGATE A vulnerability, which was classified as critical, was found in TOTOLINK A3700R 9.1.2u.5822_B20200513
• CVE-2025-3663 MEDIUM 5.3 MITIGATE A vulnerability, which was classified as critical, has been found in TOTOLINK A3700R 9.1.2u.5822_B20200513
• CVE-2024-7160 MEDIUM 6.3 MITIGATE A vulnerability classified as critical has been found in TOTOLINK A3700R 9.1.2u.5822_B20200513
• CVE-2024-7156 MEDIUM 5.3 MITIGATE A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513 and classified as problematic
• CVE-2024-7154 MEDIUM 4.3 MITIGATE A vulnerability, which was classified as problematic, was found in TOTOLINK A3700R 9.1.2u.5822_B20200513
• CVE-2024-42545 CRITICAL 9.8 MITIGATE TOTOLINK A3700R v9.1.2u.5822_B20200513 has a buffer overflow vulnerability in the ssid parameter in setWizardC
• CVE-2024-42543 CRITICAL 9.8 MITIGATE TOTOLINK A3700R v9.1.2u.5822_B20200513 has a buffer overflow vulnerability in the http_host parameter in the l

FAQ

How do I fix a3700r firmware vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is a3700r firmware being exploited right now?

None of the tracked a3700r firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which a3700r firmware CVE should I patch first?

CVE-2024-42545 currently ranks highest (57/100): TOTOLINK A3700R v9.1.2u.5822_B20200513 has a buffer overflow vulnerability in the ssid parameter in setWizardC.

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