CVE-2023-36355

Tl Wr940n Firmware vulnerability

CVSS

9.9

EPSS

31.7%

EPSS pct

98th

Exploited

No known

TP-Link TL-WR940N V4 was discovered to contain a buffer overflow via the ipStart parameter at /userRpm/WanDynamicIpV6CfgRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request.

Affected vendor

Tp Link

Affected product

Tl Wr940n Firmware

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weakness type (CWE)

CWE-120 — Classic Buffer Overflow

Published

2023-06-22

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 31.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2023-36355

Confirm whether Tp Link Tl Wr940n Firmware is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2023-36355.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-36355

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2023-36355 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2023-36355?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2023-36355.

Start free scan

No credit card. Agentless.

Related vulnerabilities

CRITICAL

CVE-2020-27956

Car Rental Management System vulnerability

CRITICAL

CVE-2020-27976

Oscommerce vulnerability

CRITICAL

CVE-2020-16257

Winston Firmware vulnerability