CVEvulnerability

CVE-2021-33535

8.8 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])
8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.5 MEDIUM — AV:N/AC:L/Au:S/C:P/I:P/A:P
Weaknesses
CWE-134

Description

In Weidmueller Industrial WLAN devices in multiple versions an exploitable format string vulnerability exists in the iw_console conio_writestr functionality. A specially crafted time server entry can cause an overflow of the time server buffer, resulting in remote code execution. An attacker can send commands while authenticated as a low privilege user 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-134 Use of Externally-Controlled Format String weakness

References