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TI-2018-15542 Aliases CVE-2018-25317GHSA-83gr-gjxh-xvrx

Tenda W3002R/A302/W309R V5.07.64_en Cookie Session Weakness DNS Change

Priority HIGH 81CWE-290Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-290.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00651 51st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TendaW3002R5.07.64—No fix listedCNA
TendaA3025.07.64—No fix listedCNA
TendaW309R5.07.64—No fix listedCNA
  • W3002R VendorTenda Affected 5.07.64 Fixed in — No fix listed CNA
  • A302 VendorTenda Affected 5.07.64 Fixed in — No fix listed CNA
  • W309R VendorTenda Affected 5.07.64 Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:tenda:w309r_firmware:5.07.64_en:*:*:*:*:*:*:*5.07.64_enVulnerableTenda
cpe:2.3:h:tenda:w309r:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
cpe:2.3:o:tenda:a302_firmware:5.07.64_en:*:*:*:*:*:*:*5.07.64_enVulnerableTenda
cpe:2.3:h:tenda:a302:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
cpe:2.3:o:tenda:w3002r_firmware:5.07.64_en:*:*:*:*:*:*:*5.07.64_enVulnerableTenda
cpe:2.3:h:tenda:w3002r:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:w309r_firmware:5.07.64_en:*:*:*:*:*:*:* Versions 5.07.64_en Vulnerable ·Tenda
  • cpe:2.3:h:tenda:w309r:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Tenda
  • cpe:2.3:o:tenda:a302_firmware:5.07.64_en:*:*:*:*:*:*:* Versions 5.07.64_en Vulnerable ·Tenda
  • cpe:2.3:h:tenda:a302:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Tenda
  • cpe:2.3:o:tenda:w3002r_firmware:5.07.64_en:*:*:*:*:*:*:* Versions 5.07.64_en Vulnerable ·Tenda
  • cpe:2.3:h:tenda:w3002r:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Tenda

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-25317
  2. 2026-10-03 Alias added: GHSA-83gr-gjxh-xvrx
  3. 2026-10-16 EPSS moved to the 50th–90th percentile

References

Sources