CVE-2022-40100
CVE-2022-40100 is a critical-severity vulnerability in Tenda I9 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-77.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 2% (74th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-77
- Affected product: Tenda I9 Firmware
- Published:
- Last modified:
Description
Tenda i9 v1.0.0.8(3828) was discovered to contain a command injection vulnerability via the FormexeCommand function.
Frequently asked questions
- What is CVE-2022-40100?
- Tenda i9 v1.0.0.8(3828) was discovered to contain a command injection vulnerability via the FormexeCommand function.
- How severe is CVE-2022-40100?
- CVE-2022-40100 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-2022-40100 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-40100?
- CVE-2022-40100 affects Tenda I9 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-40100?
- 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-2022-40100 published?
- CVE-2022-40100 was published on 2022-09-23 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:tenda:i9_firmware:1.0.0.8\(3828\):*:*:*:*:*:*:*
More vulnerabilities in Tenda I9 Firmware
- CVE-2022-40107 — High (CVSS 7.5): Tenda i9 v1.0.0.8(3828) was discovered to contain a buffer overflow via the formexeCommand function. This vulnerability…
- CVE-2022-40106 — High (CVSS 7.5): Tenda i9 v1.0.0.8(3828) was discovered to contain a buffer overflow via the set_local_time function. This vulnerability…
- CVE-2022-40105 — High (CVSS 7.5): Tenda i9 v1.0.0.8(3828) was discovered to contain a buffer overflow via the formWifiMacFilterGet function. This…
- CVE-2022-40104 — High (CVSS 7.5): Tenda i9 v1.0.0.8(3828) was discovered to contain a buffer overflow via the formwrlSSIDget function. This vulnerability…
- CVE-2022-40102 — High (CVSS 7.5): Tenda i9 v1.0.0.8(3828) was discovered to contain a buffer overflow via the formwrlSSIDset function. This vulnerability…
- CVE-2022-40101 — High (CVSS 7.5): Tenda i9 v1.0.0.8(3828) was discovered to contain a buffer overflow via the formWifiMacFilterSet function. This…
All CVEs affecting Tenda I9 Firmware →
Other CWE-77 (Command Injection) vulnerabilities
- CVE-2026-105484 — Critical (CVSS 10.0): A security vulnerability has been detected in TOTOLINK X6000R 9.4.0cu.652_B20230116. The impacted element is the…
- CVE-2026-105134 — Critical (CVSS 10.0): A flaw has been found in Ahsay AhsayCBS up to 10.3.2. This vulnerability affects unknown code of the file…
- CVE-2026-102240 — Critical (CVSS 10.0): A vulnerability was found in Netcore NAP930 0.1.241010.141410. This affects the function eval of the file…
- CVE-2026-101076 — Critical (CVSS 10.0): A vulnerability was detected in Netcore NR289-GE 1.4.5102. This affects the function system of the file…
- CVE-2026-101075 — Critical (CVSS 10.0): A security vulnerability has been detected in Netcore NR289-GE 1.4.5102. The impacted element is the function system of…
- CVE-2026-101072 — Critical (CVSS 10.0): A vulnerability was identified in Netcore NR289-GE 1.4.5102. This issue affects the function system of the file…