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ExploitedNot in CISA KEV yetFix available

CVE-2020-24581

Exploitation confirmed. First attested on 2023-10-14 by GCVE · kevintel, GCVE · shadowserver.

  • Published2020-12-22
  • Fixed inau_2.31_v1.1.47ae55
  • WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue was discovered on D-Link DSL-2888A devices with firmware prior to AU_2.31_V1.1.47ae55. It contains an execute_cmd.cgi feature (that is not reachable via the web user interface) that lets an authenticated user execute Operating System commands.

Timeline

dates in UTC
  1. 2020-12-2219:15CVE publishedNVD
  2. 2023-10-1414:56Listed as exploited by GCVEGCVE
  3. 2023-10-1414:56Exploitation first reportedGCVE

Observed activity

isMalicious corpus · updated 2026-11-04 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-24581?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-24581?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Dlink dsl2888a firmwareversion to verify
BranchAffectedFixed in
—< au_2.31_v1.1.47ae55au_2.31_v1.1.47ae55

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Dlink dsl2888a firmware to au_2.31_v1.1.47ae55

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • GCVEexploitation2023-10-14
  • NVDCVSS 3.18read 2026-10-23
  • NVDCVSS 2.07.7read 2026-10-23
  • NVDweakness (CWE)CWE-78read 2026-10-23
  • FIRST EPSSEPSS score13.7 %read 2026-11-03

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2020-12-22
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2020-24581?

An issue was discovered on D-Link DSL-2888A devices with firmware prior to AU_2.31_V1.1.47ae55. It contains an execute_cmd.cgi feature (that is not reachable via the web user interface) that lets an authenticated user execute Operating System commands.

Is CVE-2020-24581 actively exploited?

Active exploitation of CVE-2020-24581 has not been confirmed. Its EPSS score was 13.7% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-24581?

CVE-2020-24581 has a CVSS v3 base score of 8 (HIGH severity), with vector string CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record