How severe is CVE-2022-35559?

CVE-2022-35559 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-2022-35559 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-35559?

CVE-2022-35559 affects Tenda W6 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-35559?

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-2022-35559 published?

CVE-2022-35559 was published on 2022-08-12 and last updated on 2026-06-17.

CVE-2022-35559

CVE-2022-35559 is a critical-severity vulnerability in Tenda W6 Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 11% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Tenda W6 Firmware
Published: 2022-08-12
Last modified: 2026-06-17

Description

A stack overflow vulnerability exists in /goform/setAutoPing in Tenda W6 V1.0.0.9(4122), which allows an attacker to construct ping1 parameters and ping2 parameters for a stack overflow attack. An attacker can use this vulnerability to execute arbitrary code execution.

Frequently asked questions

What is CVE-2022-35559?: A stack overflow vulnerability exists in /goform/setAutoPing in Tenda W6 V1.0.0.9(4122), which allows an attacker to construct ping1 parameters and ping2 parameters for a stack overflow attack. An attacker can use this vulnerability to execute arbitrary code execution.
How severe is CVE-2022-35559?: CVE-2022-35559 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-2022-35559 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-35559?: CVE-2022-35559 affects Tenda W6 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-35559?: 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-2022-35559 published?: CVE-2022-35559 was published on 2022-08-12 and last updated on 2026-06-17.

References

https://github.com/ilovekeer/IOT/tree/main/Tenda/W6/stackoverflow/formSetAutoPing

Affected products (1)

cpe:2.3:o:tenda:w6_firmware:1.0.0.9\(4122\):*:*:*:*:*:*:*

More vulnerabilities in Tenda W6 Firmware

CVE-2022-35555 — Critical (CVSS 9.8): A command injection vulnerability exists in /goform/exeCommand in Tenda W6 V1.0.0.9(4122), which allows attackers to…
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