Totolink NR1800X vulnerabilities

5 CVEs affecting Totolink NR1800X, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-82616, published 2026-08-31.

Highest priority

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

CVE-2026-7548, published 2026-05-01. High severity, CVSS 8.8. EPSS: 2.9% chance of exploitation in the next 30 days. A vulnerability was detected in Totolink NR1800X 9.1.0u.6279_B20210910. This affects the function sub_41A68C of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument setUssd…
CVE-2026-82597, published 2026-08-31. High severity, CVSS 7.4. EPSS: 1.8% chance of exploitation in the next 30 days. A vulnerability was identified in TOTOLINK NR1800X 9.1.0u.6681_B20230703. This affects the function setUssd of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ussd leads to command…
CVE-2026-15701, published 2026-07-14. Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days. A weakness has been identified in Totolink NR1800X 9.1.0u.6279_B20210910. Affected by this issue is the function Form_Logout of the file /formLogout.htm of the component lighttpd. This manipulation…
CVE-2026-7546, published 2026-05-01. Critical severity, CVSS 9.8. EPSS: 1% chance of exploitation in the next 30 days. A security vulnerability has been detected in Totolink NR1800X 9.1.0u.6279_B20210910. The impacted element is the function find_host_ip of the component lighttpd. Such manipulation of the argument…
CVE-2026-82616, published 2026-08-31. Critical severity, CVSS 9.9. EPSS: 0.9% chance of exploitation in the next 30 days. A vulnerability was found in TOTOLINK NR1800X 9.1.0u.6681_B20230703. Impacted is the function setUploadSetting of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName results in…