Totolink a830r Firmware vulnerabilities

25 CVEs affecting Totolink a830r Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-28028, published 2025-04-23.

Highest priority

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

CVE-2022-26210, published 2022-03-15. Critical severity, CVSS 9.8. EPSS: 5.7% chance of exploitation in the next 30 days. Totolink A830R V5.9c.4729_B20191112, A3100R V4.1.2cu.5050_B20200504, A950RG V4.1.2cu.5161_B20200903, A800R V4.1.2cu.5137_B20200730, A3000RU V5.9c.5185_B20201128, and A810R V4.1.2cu.5182_B20201026…
CVE-2022-28935, published 2022-07-06. High severity, CVSS 7.2. EPSS: 3.3% chance of exploitation in the next 30 days. Totolink A830R V5.9c.4729_B20191112, Totolink A3100R V4.1.2cu.5050_B20200504, Totolink A950RG V4.1.2cu.5161_B20200903, Totolink A800R V4.1.2cu.5137_B20200730, Totolink A3000RU V5.9c.5185_B20201128,…
CVE-2022-26214, published 2022-03-15. Critical severity, CVSS 9.8. EPSS: 2.8% chance of exploitation in the next 30 days. Totolink A830R V5.9c.4729_B20191112, A3100R V4.1.2cu.5050_B20200504, A950RG V4.1.2cu.5161_B20200903, A800R V4.1.2cu.5137_B20200730, A3000RU V5.9c.5185_B20201128, and A810R V4.1.2cu.5182_B20201026…
CVE-2022-26212, published 2022-03-15. Critical severity, CVSS 9.8. EPSS: 2.8% chance of exploitation in the next 30 days. Totolink A830R V5.9c.4729_B20191112, A3100R V4.1.2cu.5050_B20200504, A950RG V4.1.2cu.5161_B20200903, A800R V4.1.2cu.5137_B20200730, A3000RU V5.9c.5185_B20201128, and A810R V4.1.2cu.5182_B20201026…
CVE-2022-26211, published 2022-03-15. Critical severity, CVSS 9.8. EPSS: 2.8% chance of exploitation in the next 30 days. Totolink A830R V5.9c.4729_B20191112, A3100R V4.1.2cu.5050_B20200504, A950RG V4.1.2cu.5161_B20200903, A800R V4.1.2cu.5137_B20200730, A3000RU V5.9c.5185_B20201128, and A810R V4.1.2cu.5182_B20201026…
CVE-2022-26208, published 2022-03-15. Critical severity, CVSS 9.8. EPSS: 2.8% chance of exploitation in the next 30 days. Totolink A830R V5.9c.4729_B20191112, A3100R V4.1.2cu.5050_B20200504, A950RG V4.1.2cu.5161_B20200903, A800R V4.1.2cu.5137_B20200730, A3000RU V5.9c.5185_B20201128, and A810R V4.1.2cu.5182_B20201026…
CVE-2021-44247, published 2022-02-04. Critical severity, CVSS 9.8. EPSS: 2.8% chance of exploitation in the next 30 days. Totolink devices A3100R v4.1.2cu.5050_B20200504, A830R v5.9c.4729_B20191112, and A720R v4.1.5cu.470_B20200911 were discovered to contain command injection vulnerability in the function setNoticeCfg.…
CVE-2022-25080, published 2022-02-24. Critical severity, CVSS 9.8. EPSS: 2.8% chance of exploitation in the next 30 days. TOTOLink A830R V5.9c.4729_B20191112 was discovered to contain a command injection vulnerability in the "Main" function. This vulnerability allows attackers to execute arbitrary commands via the…
CVE-2022-48066, published 2023-01-27. Critical severity, CVSS 9.8. EPSS: 2.4% chance of exploitation in the next 30 days. An issue in the component global.so of Totolink A830R V4.1.2cu.5182 allows attackers to bypass authentication via a crafted cookie.
CVE-2022-26209, published 2022-03-15. Critical severity, CVSS 9.8. EPSS: 2.2% chance of exploitation in the next 30 days. Totolink A830R V5.9c.4729_B20191112, A3100R V4.1.2cu.5050_B20200504, A950RG V4.1.2cu.5161_B20200903, A800R V4.1.2cu.5137_B20200730, A3000RU V5.9c.5185_B20201128, and A810R V4.1.2cu.5182_B20201026…

Latest

CVE-2025-28028, published 2025-04-23. High severity, CVSS 7.3. EPSS: 0.4% chance of exploitation in the next 30 days. TOTOLINK A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 were found to contain a buffer overflow vulnerability in…
CVE-2025-28025, published 2025-04-23. High severity, CVSS 7.3. EPSS: 0.4% chance of exploitation in the next 30 days. TOTOLINK A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 were found to contain a buffer overflow vulnerability in…
CVE-2025-28036, published 2025-04-22. Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days. TOTOLINK A950RG V4.1.2cu.5161_B20200903 was found to contain a pre-auth remote command execution vulnerability in the setNoticeCfg function through the NoticeUrl parameter.
CVE-2025-28035, published 2025-04-22. Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days. TOTOLINK A830R V4.1.2cu.5182_B20201102 was found to contain a pre-auth remote command execution vulnerability in the setNoticeCfg function through the NoticeUrl parameter.
CVE-2025-28029, published 2025-04-22. High severity, CVSS 7.3. EPSS: 0.4% chance of exploitation in the next 30 days. TOTOLINK A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 were found to contain a buffer overflow vulnerability in…
CVE-2025-28027, published 2025-04-22. High severity, CVSS 7.3. EPSS: 0.4% chance of exploitation in the next 30 days. TOTOLINK A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 was found to contain a buffer overflow vulnerability in…
CVE-2025-28026, published 2025-04-22. High severity, CVSS 7.3. EPSS: 0.4% chance of exploitation in the next 30 days. TOTOLINK A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 were found to contain a buffer overflow vulnerability in…
CVE-2025-28034, published 2025-04-22. Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days. TOTOLINK A800R V4.1.2cu.5137_B20200730, A810R V4.1.2cu.5182_B20201026, A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129…
CVE-2025-28033, published 2025-04-22. High severity, CVSS 7.3. EPSS: 0.4% chance of exploitation in the next 30 days. TOTOLINK A800R V4.1.2cu.5137_B20200730, A810R V4.1.2cu.5182_B20201026, A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129…
CVE-2025-28032, published 2025-04-22. High severity, CVSS 7.3. EPSS: 0.3% chance of exploitation in the next 30 days. TOTOLINK A800R V4.1.2cu.5137_B20200730, A810R V4.1.2cu.5182_B20201026, A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129…