Hardcoded DES Decryption Keys in TP-Link Archer C50 V3/V4/V5 and C20 V5
Summary
| CVE | CVE-2025-6982 |
|---|---|
| State | PUBLISHED |
| Assigner | TPLink |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2025-07-16 20:15:26 UTC |
| Updated | 2026-04-22 22:16:29 UTC |
| Description | Use of Hard-coded Credentials in TP-Link Archer C50 V3( <= 180703)/V4( <= 250117 )/V5( <= 200407 ), and C20 V5 (<US_V5_260419 or <EU_V5_260317) allows attackers to decrypt the config.xml files. |
Risk And Classification
Primary CVSS: v4.0 6.9 MEDIUM from f23511db-6c3e-4e32-a477-6aa17d310630
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS: 0.000340000 probability, percentile 0.097940000 (date 2026-04-22)
Problem Types: CWE-798 | CWE-798 CWE-798 Use of Hard-coded Credentials
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | f23511db-6c3e-4e32-a477-6aa17d310630 | Secondary | 6.9 | MEDIUM | CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/C... |
| 4.0 | CNA | CVSS | 6.9 | MEDIUM | CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
CVSS v4.0 Breakdown
Attack Vector
AdjacentAttack Complexity
LowAttack Requirements
NonePrivileges Required
LowUser Interaction
NoneConfidentiality
HighIntegrity
NoneAvailability
NoneSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | TP-Link Systems Inc. | Archer C50 V3 | affected 180703 date | Not specified |
| CNA | TP-Link Systems Inc. | Archer C50 V4 | affected 250117 date | Not specified |
| CNA | TP-Link Systems Inc. | Archer C50 V5 | affected 200407 date | Not specified |
| CNA | TP-Link Systems Inc. | Archer C20 V5 | affected US_V5_260419 custom | Not specified |
| CNA | TP-Link Systems Inc. | Archer C20 V5 | affected EU_V5_260317 custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.tp-link.com/us/support/faq/4538 | f23511db-6c3e-4e32-a477-6aa17d310630 | www.tp-link.com | |
| www.kb.cert.org/vuls/id/554637 | af854a3a-2127-422b-91ae-364da2661108 | www.kb.cert.org | |
| www.tp-link.com/us/support/download/archer-c20/v5 | f23511db-6c3e-4e32-a477-6aa17d310630 | www.tp-link.com | |
| www.tp-link.com/en/support/download/archer-c20/v5 | f23511db-6c3e-4e32-a477-6aa17d310630 | www.tp-link.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.