9.8

CVE-2025-70220: dlink dir-513_firmware Stack-based Buffer Overflow

CVSS: 9.8v3.1CriticalAnalyzed
Published 04-03-2026Last modified 04-03-2026
Open JSON

Vulnerability summary

CVE-2025-70220 is a critical (CVSS 9.8) Stack-based Buffer Overflow vulnerability in dlink dir-513_firmware. EPSS estimates a 0.61% chance of exploitation in the next 30 days, higher than 48.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.61%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 04-03-2026
    PublishedVulnerability first disclosed.
  2. 04-03-2026
    Last modifiedVulnerability information updated.

Description

Stack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the curTime parameter to goform/formAutoDetecWAN_wizard4.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.61%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

+0.01 pp

From 0.60% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.61%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Cvereport

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Dlink1 product

1 vendor · 1 product

References

3 links