How severe is CVE-2026-7055?

CVE-2026-7055 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-2026-7055 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-2026-7055?

CVE-2026-7055 affects Tenda F456 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-7055?

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-2026-7055 have an EU (EUVD) identifier?

Yes. CVE-2026-7055 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25725.

When was CVE-2026-7055 published?

CVE-2026-7055 was published on 2026-04-26 and last updated on 2026-06-17.

CVE-2026-7055

CVE-2026-7055 is a high-severity vulnerability in Tenda F456 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-2026-25725
Weakness: CWE-119
Affected product: Tenda F456 Firmware
Published: 2026-04-26
Last modified: 2026-06-17

Description

A security vulnerability has been detected in Tenda F456 1.0.0.5. This issue affects the function fromVirtualSer of the file /goform/VirtualSer of the component httpd. The manipulation of the argument menufacturer/Go leads to buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.

Frequently asked questions

What is CVE-2026-7055?: A security vulnerability has been detected in Tenda F456 1.0.0.5. This issue affects the function fromVirtualSer of the file /goform/VirtualSer of the component httpd. The manipulation of the argument menufacturer/Go leads to buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.
How severe is CVE-2026-7055?: CVE-2026-7055 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-2026-7055 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-2026-7055?: CVE-2026-7055 affects Tenda F456 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-7055?: 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-2026-7055 have an EU (EUVD) identifier?: Yes. CVE-2026-7055 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25725.
When was CVE-2026-7055 published?: CVE-2026-7055 was published on 2026-04-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:f456_firmware:1.0.0.5:*:*:*:*:*:*:*

More vulnerabilities in Tenda F456 Firmware

CVE-2026-7101 — High (CVSS 8.8): A vulnerability has been found in Tenda F456 1.0.0.5. This affects the function fromWrlclientSet of the file…
CVE-2026-7100 — High (CVSS 8.8): A flaw has been found in Tenda F456 1.0.0.5. The impacted element is the function fromNatlimitof of the file…
CVE-2026-7099 — High (CVSS 8.8): A vulnerability was detected in Tenda F456 1.0.0.5. The affected element is the function formQuickIndex of the file…
CVE-2026-7098 — High (CVSS 8.8): A security vulnerability has been detected in Tenda F456 1.0.0.5. Impacted is the function fromDhcpListClient of the…
CVE-2026-7097 — High (CVSS 8.8): A weakness has been identified in Tenda F456 1.0.0.5. This issue affects the function fromwebExcptypemanFilter of the…
CVE-2026-7082 — High (CVSS 8.8): A flaw has been found in Tenda F456 1.0.0.5. Affected by this vulnerability is the function formWrlExtraSet of the file…

All CVEs affecting Tenda F456 Firmware →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →