CVE-2026-7029
CVE-2026-7029 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% (46th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-25704
- Weakness: CWE-119
- Affected product: Tenda F456 Firmware
- Published:
- Last modified:
Description
A weakness has been identified in Tenda F456 1.0.0.5. The impacted element is the function fromaddressNat of the file /goform/addressNat. Executing a manipulation of the argument menufacturer/Go can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.
Frequently asked questions
- What is CVE-2026-7029?
- A weakness has been identified in Tenda F456 1.0.0.5. The impacted element is the function fromaddressNat of the file /goform/addressNat. Executing a manipulation of the argument menufacturer/Go can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.
- How severe is CVE-2026-7029?
- CVE-2026-7029 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-2026-7029 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-7029?
- CVE-2026-7029 affects Tenda F456 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-7029?
- 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-2026-7029 have an EU (EUVD) identifier?
- Yes. CVE-2026-7029 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25704.
- When was CVE-2026-7029 published?
- CVE-2026-7029 was published on 2026-04-26 and last updated on 2026-06-17.
References
- https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_119/README.md
- https://vuldb.com/submit/798450
- https://vuldb.com/vuln/359609
- https://vuldb.com/vuln/359609/cti
- https://www.tenda.com.cn/
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 →
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