How severe is CVE-2022-40844?

CVE-2022-40844 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-40844 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40844?

CVE-2022-40844 affects Tenda W15e Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-40844?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-40844 published?

CVE-2022-40844 was published on 2022-11-15 and last updated on 2026-06-17.

CVE-2022-40844

CVE-2022-40844 is a medium-severity vulnerability in Tenda W15e Firmware with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Tenda W15e Firmware
Published: 2022-11-15
Last modified: 2026-06-17

Description

In Tenda (Shenzhen Tenda Technology Co., Ltd) AC1200 Router model W15Ev2 V15.11.0.10(1576), a Stored Cross Site Scripting (XSS) issue exists allowing an attacker to execute JavaScript code via the applications website filtering tab, specifically the URL body.

Frequently asked questions

What is CVE-2022-40844?: In Tenda (Shenzhen Tenda Technology Co., Ltd) AC1200 Router model W15Ev2 V15.11.0.10(1576), a Stored Cross Site Scripting (XSS) issue exists allowing an attacker to execute JavaScript code via the applications website filtering tab, specifically the URL body.
How severe is CVE-2022-40844?: CVE-2022-40844 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-40844 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40844?: CVE-2022-40844 affects Tenda W15e Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-40844?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-40844 published?: CVE-2022-40844 was published on 2022-11-15 and last updated on 2026-06-17.

References

https://boschko.ca/tenda_ac1200_router/

Affected products (1)

cpe:2.3:o:tenda:w15e_firmware:15.11.0.10\(1576\):*:*:*:*:*:*:*

More vulnerabilities in Tenda W15e Firmware

CVE-2023-27063 — Critical (CVSS 9.8): Tenda V15V1.0 V15.11.0.14(1521_3190_1058) was discovered to contain a buffer overflow vulnerability via the…
CVE-2023-27061 — Critical (CVSS 9.8): Tenda V15V1.0 V15.11.0.14(1521_3190_1058) was discovered to contain a buffer overflow vulnerability via the…
CVE-2022-42058 — Critical (CVSS 9.8): Tenda AC1200 Router Model W15Ev2 V15.11.0.10(1576) was discovered to contain a stack overflow via the…
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