CVE-2018-25317Tenda W3002R/A302/W309R wireless routers version V5.07.64_en contain a cookie session weakness vulnerability that allows unauthenticated attackers to modify DNS settings by exploiting insufficient se…
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It affects tenda w309r_firmware and 2 other products. Add what you run to find out whether that includes you.
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Tenda W3002R/A302/W309R wireless routers version V5.07.64_en contain a cookie session weakness vulnerability that allows unauthenticated attackers to modify DNS settings by exploiting insufficient session validation. Attackers can send GET requests to the /goform/AdvSetDns endpoint with a crafted admin language cookie to change primary and secondary DNS servers, redirecting user traffic to malicious DNS servers.
- CVSS
- 9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-290
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Sep 30, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
tenda w309r_firmware tenda:w309r_firmware | 5.07.64_en | NVD |
tenda a302_firmware tenda:a302_firmware | 5.07.64_en | NVD |
tenda w3002r_firmware tenda:w3002r_firmware | 5.07.64_en | NVD |
References
- https://www.exploit-db.com/exploits/44380exploit, third-party-advisory, vdb-entry
- https://www.vulncheck.com/advisories/tenda-w3002r-a302-w309r-64-en-cookie-session-weakness-dns-changethird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.