CVEvulnerability

CVE-2021-33536

7.5 HIGH Published 2021-06-25 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-06-25
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-191

Description

In Weidmueller Industrial WLAN devices in multiple versions an exploitable denial-of-service vulnerability exists in ServiceAgent functionality. A specially crafted packet can cause an integer underflow, triggering a large memcpy that will access unmapped or out-of-bounds memory. An attacker can send this packet while unauthenticated to trigger this vulnerability.

Affected configurations

• weidmueller ie-wl-bl-ap-cl-eu firmware (<= 1.16.18) • weidmueller ie-wlt-bl-ap-cl-eu firmware (<= 1.16.18) • weidmueller ie-wl-bl-ap-cl-us firmware (<= 1.16.18) • weidmueller ie-wlt-bl-ap-cl-us firmware (<= 1.16.18) • weidmueller ie-wl-vl-ap-br-cl-eu firmware (<= 1.16.18) • weidmueller ie-wlt-vl-ap-br-cl-eu firmware (<= 1.16.18) • weidmueller ie-wl-vl-ap-br-cl-us firmware (<= 1.16.18) • weidmueller ie-wlt-vl-ap-br-cl-us firmware (<= 1.16.18) • weidmueller ie-wl-bl-ap-cl-eu firmware (<= 1.11.10) • weidmueller ie-wlt-bl-ap-cl-eu firmware (<= 1.11.10) • weidmueller ie-wl-bl-ap-cl-us firmware (<= 1.11.10) • weidmueller ie-wlt-bl-ap-cl-us firmware (<= 1.11.10) • weidmueller ie-wl-vl-ap-br-cl-eu firmware (<= 1.11.10) • weidmueller ie-wlt-vl-ap-br-cl-eu firmware (<= 1.11.10) • weidmueller ie-wl-vl-ap-br-cl-us firmware (<= 1.11.10) • weidmueller ie-wlt-vl-ap-br-cl-us firmware (<= 1.11.10)

Related

Weakness · CWE (1)

  • CWE-191 Integer Underflow (Wrap or Wraparound) weakness

References