boxscore/security
CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-19847HIGH
TOTOLINK A800R wps.so cstecgi.cgi setWiFiWpsConfig stack-based overflow
  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   L   N   H   H   H    7.4   .0060   46.1     —
AFFECTED
  Product  Versions                  Fixed
  A800R    4.1.2cu.5137_B20200730 –  —
TIMELINE
  Aug 14  Reserved by VulDB
  Aug 14  Published (CNA: VulDB)
  Aug 18  EXPLOIT PUBLISHED — CVE-2026-19847 (TOTOLINK A800R). Public exploit reference added.
CWE-119, CWE-121 · CNA: VulDB · CVSS v4.0 · 6 references · NVD status: Deferred

Description

A security flaw has been discovered in TOTOLINK A800R 4.1.2cu.5137_B20200730. Affected is the function setWiFiWpsConfig of the file /cgi-bin/cstecgi.cgi of the component wps.so. The manipulation of the argument pin results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.

Lifecycle

Complete event history — 3 events, chronological
DateEventDetail
August 14, 2026ReservedReserved by VulDB
August 14, 2026PublishedPublished (CNA: VulDB)
August 18, 2026EXPLOIT PUBLISHEDEXPLOIT PUBLISHED — CVE-2026-19847 (TOTOLINK A800R). Public exploit reference added.

Affected

Affected products and packages — 1 row
VendorProduct / PackageEcosystemVersion introducedFixed
TOTOLINKA800R4.1.2cu.5137_B20200730

Weaknesses

CWE-119 · CWE-121

References (6)

Related

Authoritative record: CVE-2026-19847 at cve.org

Vendors: totolink

Weaknesses: CWE-119 · CWE-121

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-19847 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 Wednesday, August 19, 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.