CVE-2020-25079

HIGH
8.8
CVSS Score
Published: September 2, 2020 at 03:33 PM UTC
Updated: June 17, 2026 at 03:06 AM UTC
18 products affected across 1 vendorDcs 2530L FirmwareDcs 4705E FirmwareDcs 4703E Firmware

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Severity
HIGH8.8
Exploitation
CISA KEV
Exploit prediction
EPSS 54%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score54.0%

EPSS (Exploit Prediction Scoring System) estimates a 54.0% chance this CVE is exploited in the wild within the next 30 days — higher than 99% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

D-Link DCS-2530L and DCS-2670L devices contains a command injection vulnerability in the cgi-bin/ddns_enc.cgi. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.

Required Action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Ransomware Use
Unknown
Added to KEV
Aug 5, 2025
Remediation Due
Aug 26, 2025
430 days overdue

Description

An issue was discovered on D-Link DCS-2530L before 1.06.01 Hotfix and DCS-2670L through 2.02 devices. cgi-bin/ddns_enc.cgi allows authenticated command injection.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 1.05.05
dlink-dcs-2530l (same device)
v < 2.03.00
Affected range stops below 2.03.00, so it looks safe — our inference, not a vendor statement
dlink-dcs-2670l (same device)
v < 1.04.02
Affected range stops below 1.04.02, so it looks safe — our inference, not a vendor statement
dlink-dcs-4603 (same device)
v < 2.01.10
Affected range stops below 2.01.10, so it looks safe — our inference, not a vendor statement
dlink-dcs-4622 (same device)
v < 2.03.01
Affected range stops below 2.03.01, so it looks safe — our inference, not a vendor statement
dlink-dcs-4701e (same device)
v < 1.03.04
Affected range stops below 1.03.04, so it looks safe — our inference, not a vendor statement
dlink-dcs-4703e (same device)
v < 1.03.02
Affected range stops below 1.03.02, so it looks safe — our inference, not a vendor statement
dlink-dcs-4705e (same device)
v < 2.01.01
Affected range stops below 2.01.01, so it looks safe — our inference, not a vendor statement
dlink-dcs-4802e (same device)
All versions
dlink-dcs-p703 (same device)
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (4)

x_refsource_MISCBroken LinkExploitThird Party Advisory
https://twitter.com/Dogonsecurity/status/1271265152118259712
Product
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://support.dlink.com/productinfo.aspx?m=DCS-2530L
US Government Resource
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-25079

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-77

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