How severe is CVE-2022-45666?

CVE-2022-45666 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-45666 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-45666?

CVE-2022-45666 affects Tenda I22 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-45666?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-45666 published?

CVE-2022-45666 was published on 2022-12-20 and last updated on 2026-06-17.

CVE-2022-45666

CVE-2022-45666 is a high-severity vulnerability in Tenda I22 Firmware with a CVSS 3.x base score of 7.5. 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-120.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Tenda I22 Firmware
Published: 2022-12-20
Last modified: 2026-06-17

Description

Tenda i22 V1.0.0.3(4687) was discovered to contain a buffer overflow via the list parameter in the formwrlSSIDset function.

Frequently asked questions

What is CVE-2022-45666?: Tenda i22 V1.0.0.3(4687) was discovered to contain a buffer overflow via the list parameter in the formwrlSSIDset function.
How severe is CVE-2022-45666?: CVE-2022-45666 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-45666 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-45666?: CVE-2022-45666 affects Tenda I22 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-45666?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-45666 published?: CVE-2022-45666 was published on 2022-12-20 and last updated on 2026-06-17.

References

https://github.com/Double-q1015/CVE-vulns/blob/main/tenda_i22/formwrlSSIDset/formwrlSSIDset.md

Affected products (1)

cpe:2.3:o:tenda:i22_firmware:1.0.0.3\(4687\):*:*:*:*:*:*:*

More vulnerabilities in Tenda I22 Firmware

CVE-2025-9297 — High (CVSS 8.8): A vulnerability was detected in Tenda i22 1.0.0.3(4687). This impacts the function formWeixinAuthInfoGet of the file…
CVE-2024-7585 — High (CVSS 8.8): A vulnerability has been found in Tenda i22 1.0.0.3(4687) and classified as critical. Affected by this vulnerability is…
CVE-2024-7584 — High (CVSS 8.8): A vulnerability, which was classified as critical, was found in Tenda i22 1.0.0.3(4687). Affected is the function…
CVE-2024-7583 — High (CVSS 8.8): A vulnerability, which was classified as critical, has been found in Tenda i22 1.0.0.3(4687). This issue affects the…
CVE-2024-7582 — High (CVSS 8.8): A vulnerability classified as critical was found in Tenda i22 1.0.0.3(4687). This vulnerability affects the function…
CVE-2024-4252 — High (CVSS 8.8): A vulnerability classified as critical has been found in Tenda i22 1.0.0.3(4687). This affects the function…

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