How severe is CVE-2025-70802?

CVE-2025-70802 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-70802 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-70802?

CVE-2025-70802 affects Tenda G1 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-70802?

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-2025-70802 have an EU (EUVD) identifier?

Yes. CVE-2025-70802 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208540.

When was CVE-2025-70802 published?

CVE-2025-70802 was published on 2026-03-10 and last updated on 2026-06-17.

CVE-2025-70802

CVE-2025-70802 is a high-severity vulnerability in Tenda G1 Firmware with a CVSS 3.x base score of 8.4. 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-259.

Key facts

Severity: High (CVSS 3.x base score 8.4)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-208540
Weakness: CWE-259
Affected product: Tenda G1 Firmware
Published: 2026-03-10
Last modified: 2026-06-17

Description

Tenda G1V3.1si V16.01.7.8 Firmware V16.01.7.8 was discovered to contain a hardcoded password vulnerability in /etc_ro/shadow, which allows attackers to log in as root.

Frequently asked questions

What is CVE-2025-70802?: Tenda G1V3.1si V16.01.7.8 Firmware V16.01.7.8 was discovered to contain a hardcoded password vulnerability in /etc_ro/shadow, which allows attackers to log in as root.
How severe is CVE-2025-70802?: CVE-2025-70802 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-70802 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-70802?: CVE-2025-70802 affects Tenda G1 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-70802?: 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-2025-70802 have an EU (EUVD) identifier?: Yes. CVE-2025-70802 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208540.
When was CVE-2025-70802 published?: CVE-2025-70802 was published on 2026-03-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:g1_firmware:16.01.7.8:*:*:*:*:*:*:*

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