10

CVE-2021-26709: d-link dsl-320b-d1 Out-of-bounds Write

CVSS: 10.0v2.0HighModified
Published 07-04-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-26709 is a high (CVSS 10.0) Out-of-bounds Write vulnerability in d-link dsl-320b-d1. EPSS estimates a 40.08% chance of exploitation in the next 30 days, higher than 98.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
90/100
0100
Critical · default modelHow is this calculated?
CVSS score
10.0/10
010
High · v2.0 (NVD)
EPSS score
40.08%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 07-04-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

D-Link DSL-320B-D1 devices through EU_1.25 are prone to multiple Stack-Based Buffer Overflows that allow unauthenticated remote attackers to take over a device via the login.xgi user and pass parameters. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

40.08%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

0.00 pp

From 40.08% on 21-09-2026

21-09-202621-10-2026
EPSS score
40.08%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

D-link1 product

1 vendor · 1 product

References

4 links