CVE-2026-22079
CVE-2026-22079 is a high-severity vulnerability with a CVSS 4.0 base score of 8.7. 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-319.
Key facts
- Severity: High (CVSS 4.0 base score 8.7)
- EPSS exploit prediction: 0% (1st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-1759
- Weakness: CWE-319
- Published:
- Last modified:
Description
This vulnerability exists in Tenda wireless routers (300Mbps Wireless Router F3 and N300 Easy Setup Router) due to the plaintext transmission of login credentials during the initial login or post-factory reset setup through the web-based administrative interface. An attacker on the same network could exploit this vulnerability by intercepting network traffic and capturing the credentials transmitted in plaintext. Successful exploitation of this vulnerability could allow the attacker to obtain sensitive information and gain unauthorized access to the targeted device.
Frequently asked questions
- What is CVE-2026-22079?
- This vulnerability exists in Tenda wireless routers (300Mbps Wireless Router F3 and N300 Easy Setup Router) due to the plaintext transmission of login credentials during the initial login or post-factory reset setup through the web-based administrative interface. An attacker on the same network could exploit this vulnerability by intercepting network traffic and capturing the credentials transmitted in plaintext. Successful exploitation of this vulnerability could allow the attacker to obtain sensitive information and gain unauthorized access to the targeted device.
- How severe is CVE-2026-22079?
- CVE-2026-22079 has a CVSS 4.0 base score of 8.7, rated high severity.
- Is CVE-2026-22079 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-22079?
- 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-2026-22079 have an EU (EUVD) identifier?
- Yes. CVE-2026-22079 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1759.
- When was CVE-2026-22079 published?
- CVE-2026-22079 was published on 2026-01-09 and last updated on 2026-06-17.
References
Other CWE-319 (Cleartext Transmission of Sensitive Information) vulnerabilities
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