CVE-2025-70802: Tenda G1V3.1si V16.01.7.8 Firmware V16.01.7.8 was discovered to contain a hardcoded password vulnerability in

Routine

HIGH 8.4MITIGATE

CVE-2025-70802 is a high-severity flaw (CVSS 8.4) affecting g1 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.4 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 91%)
CISA exploited list	No
Weakness	CWE-259
Published	2026-03-10
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: tenda

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-10 21:16 UTCPublished CVE record published
2026-06-17 10:03 UTCUpdated Record last modified

tenda g1 firmware MITIGATE

Affected: 16.01.7.8

Fixed in: no fixed release known

Safe to downgrade to: a release before 16.01.7.8

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-70802?

g1 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-70802 being exploited?

CVE-2025-70802 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-70802 affect?

CVE-2025-70802 affects g1 firmware. Severity is high (CVSS 8.4). 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 urgent is CVE-2025-70802?

Priority 37/100. High severity; Public exploit reference

Related CVEs

CVE-2025-35027 HIGH 7.3 UPGRADE UPGRADE Multiple robotic products by Unitree sharing a common firmware, including the Go2, G1, H1, and B2 devices, con
CVE-2025-8980 MEDIUM 6.6 MITIGATE A vulnerability has been found in Tenda G1 16.01.7.8(3660)

References

← Back to latest CVEs