CVE-2022-41518
CVE-2022-41518 is a critical-severity vulnerability in Totolink Nr1800x Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 2% (76th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-78
- Affected product: Totolink Nr1800x Firmware
- Published:
- Last modified:
Description
TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain a command injection vulnerability via the UploadFirmwareFile function at /cgi-bin/cstecgi.cgi.
Frequently asked questions
- What is CVE-2022-41518?
- TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain a command injection vulnerability via the UploadFirmwareFile function at /cgi-bin/cstecgi.cgi.
- How severe is CVE-2022-41518?
- CVE-2022-41518 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2022-41518 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-41518?
- CVE-2022-41518 affects Totolink Nr1800x Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-41518?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2022-41518 published?
- CVE-2022-41518 was published on 2022-10-06 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:totolink:nr1800x_firmware:9.1.0u.6279_b20210910:*:*:*:*:*:*:*
More vulnerabilities in Totolink Nr1800x Firmware
- CVE-2025-45841 — Critical (CVSS 9.8): TOTOLINK NR1800X V9.1.0u.6681_B20230703 was discovered to contain an authenticated stack overflow via the text…
- CVE-2023-7220 — Critical (CVSS 9.8): A vulnerability was found in Totolink NR1800X 9.1.0u.6279_B20210910 and classified as critical. Affected by this issue…
- CVE-2023-36340 — Critical (CVSS 9.8): TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain a stack overflow via the http_host parameter in the…
- CVE-2022-41525 — Critical (CVSS 9.8): TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain a command injection vulnerability via the OpModeCfg…
- CVE-2022-41522 — Critical (CVSS 9.8): TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain an unauthenticated stack overflow via the "main"…
- CVE-2026-1328 — High (CVSS 8.8): A vulnerability was detected in Totolink NR1800X 9.1.0u.6279_B20210910. Impacted is the function setWizardCfg of the…
All CVEs affecting Totolink Nr1800x Firmware →
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