How severe is CVE-2022-25551?

CVE-2022-25551 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-2022-25551 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-25551?

CVE-2022-25551 affects Tenda Ax1806 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-25551?

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-2022-25551 published?

CVE-2022-25551 was published on 2022-03-10 and last updated on 2026-06-17.

CVE-2022-25551

CVE-2022-25551 is a high-severity vulnerability in Tenda Ax1806 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Tenda Ax1806 Firmware
Published: 2022-03-10
Last modified: 2026-06-17

Description

Tenda AX1806 v1.0.0.1 was discovered to contain a stack overflow in the function formSetSysToolDDNS. This vulnerability allows attackers to cause a Denial of Service (DoS) via the ddnsDomain parameter.

Frequently asked questions

What is CVE-2022-25551?: Tenda AX1806 v1.0.0.1 was discovered to contain a stack overflow in the function formSetSysToolDDNS. This vulnerability allows attackers to cause a Denial of Service (DoS) via the ddnsDomain parameter.
How severe is CVE-2022-25551?: CVE-2022-25551 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-2022-25551 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-25551?: CVE-2022-25551 affects Tenda Ax1806 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-25551?: 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-2022-25551 published?: CVE-2022-25551 was published on 2022-03-10 and last updated on 2026-06-17.

References

https://github.com/sec-bin/IoT-CVE/tree/main/Tenda/AX1806/8

Affected products (1)

cpe:2.3:o:tenda:ax1806_firmware:1.0.0.1:*:*:*:*:*:*:*

More vulnerabilities in Tenda Ax1806 Firmware

CVE-2024-44557 — Critical (CVSS 9.8): Tenda AX1806 v1.0.0.1 contains a stack overflow via the iptv.stb.mode parameter in the function setIptvInfo.
CVE-2024-44555 — Critical (CVSS 9.8): Tenda AX1806 v1.0.0.1 contains a stack overflow via the iptv.city.vlan parameter in the function setIptvInfo.
CVE-2024-44553 — Critical (CVSS 9.8): Tenda AX1806 v1.0.0.1 contains a stack overflow via the iptv.stb.mode parameter in the function formGetIptv.
CVE-2024-44552 — Critical (CVSS 9.8): Tenda AX1806 v1.0.0.1 contains a stack overflow via the adv.iptv.stballvlans parameter in the function formGetIptv.
CVE-2024-44551 — Critical (CVSS 9.8): Tenda AX1806 v1.0.0.1 contains a stack overflow via the iptv.city.vlan parameter in the function formGetIptv.
CVE-2024-44550 — Critical (CVSS 9.8): Tenda AX1806 v1.0.0.1 contains a stack overflow via the adv.iptv.stbpvid parameter in the function formGetIptv.

All CVEs affecting Tenda Ax1806 Firmware →

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