Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2020-29557

CVE-2020-29557CRITICAL

n/a n/a — D-Link DIR-825 R1 Devices

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  H  H  H    9.8   .5432   99.0   YES

AFFECTED
  Product  Versions  Fixed
  n/a      n/a –     —

TIMELINE
  Dec 4   Reserved by mitre
  Jan 29  Published (CNA: mitre)
  Nov 3   Added to CISA KEV, remediation due 2022-05-03

CWE-119 · CNA: mitre · CVSS v3.1 · 3 references · KEV due May 3, 2022

Description

An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer overflow in the web interface allows attackers to achieve pre-authentication remote code execution.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
December 4, 2020	Reserved	Reserved by mitre
January 29, 2021	Published	Published (CNA: mitre)
November 3, 2021	KEV ADDED	Added to CISA KEV, remediation due 2022-05-03

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	n/a	—	n/a	—

Weaknesses

CWE-119

References (3)

https://shaqed.github.io/dlink/ [x_refsource_MISC]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-29557 [government-resource]
https://www.dlink.ru/ru/download2/5/19/2354/441/ [x_refsource_MISC]

Authoritative record: CVE-2020-29557 at cve.org

Weaknesses: CWE-119

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2020-29557 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.