How severe is CVE-2026-5045?

CVE-2026-5045 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-5045 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-5045?

CVE-2026-5045 affects Tenda Fh1201 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-5045?

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.

Does CVE-2026-5045 have an EU (EUVD) identifier?

Yes. CVE-2026-5045 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17031.

When was CVE-2026-5045 published?

CVE-2026-5045 was published on 2026-03-29 and last updated on 2026-06-17.

CVE-2026-5045

CVE-2026-5045 is a high-severity vulnerability in Tenda Fh1201 Firmware with a CVSS 3.x base score of 8.8. 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-119.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 7.4
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-17031
Weakness: CWE-119
Affected product: Tenda Fh1201 Firmware
Published: 2026-03-29
Last modified: 2026-06-17

Description

A vulnerability was detected in Tenda FH1201 1.2.0.14(408). This impacts the function WrlclientSet of the file /goform/WrlclientSet of the component Parameter Handler. Performing a manipulation of the argument GO results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.

Frequently asked questions

What is CVE-2026-5045?: A vulnerability was detected in Tenda FH1201 1.2.0.14(408). This impacts the function WrlclientSet of the file /goform/WrlclientSet of the component Parameter Handler. Performing a manipulation of the argument GO results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.
How severe is CVE-2026-5045?: CVE-2026-5045 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-5045 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-5045?: CVE-2026-5045 affects Tenda Fh1201 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-5045?: 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.
Does CVE-2026-5045 have an EU (EUVD) identifier?: Yes. CVE-2026-5045 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17031.
When was CVE-2026-5045 published?: CVE-2026-5045 was published on 2026-03-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:fh1201_firmware:1.2.0.14\(408\):*:*:*:*:*:*:*

More vulnerabilities in Tenda Fh1201 Firmware

CVE-2024-42947 — Critical (CVSS 9.8): An issue in the handler function in /goform/telnet of Tenda FH1201 v1.2.0.14 (408) allows attackers to execute…
CVE-2026-5046 — High (CVSS 8.8): A flaw has been found in Tenda FH1201 1.2.0.14(408). Affected is the function formWrlExtraSet of the file…
CVE-2025-14995 — High (CVSS 8.8): A vulnerability has been found in Tenda FH1201 1.2.0.14(408). Affected is the function sprintf of the file…
CVE-2025-14994 — High (CVSS 8.8): A flaw has been found in Tenda FH1201 and FH1206 1.2.0.14(408)/1.2.0.8(8155). This impacts the function strcat of the…
CVE-2025-7551 — High (CVSS 8.8): A vulnerability was found in Tenda FH1201 1.2.0.14(408). It has been declared as critical. Affected by this…
CVE-2025-7550 — High (CVSS 8.8): A vulnerability was found in Tenda FH1201 1.2.0.14(408). It has been classified as critical. Affected is the function…

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