CVE-2025-70802: Tenda G1V3.1si · Use of Hard-coded Password
Source CVE Database V5
Not known to be exploited · CVSS 8.4 High.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 10 Mar 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
- Restrict physical and local network access to the affected Tenda G1V3.1si routers to trusted personnel only.
- Monitor device logs and network traffic for signs of unauthorized root logins or suspicious activities.
- Disable remote management interfaces if not required, to reduce attack surface.
- Implement network segmentation to isolate vulnerable devices from critical assets.
- Regularly audit and inventory network devices to identify those running the vulnerable firmware version.
- Contact Tenda support or monitor official channels for firmware updates or patches addressing this vulnerability and apply them promptly once available.
- Consider replacing affected devices with models from vendors with stronger security track records if patches are delayed or unavailable.
- Employ intrusion detection systems (IDS) to detect anomalous behavior indicative of exploitation attempts.
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.