CVE-2021-33536
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductWeidmueller Ie-wl-bl-ap-cl-eu Firmware
PublishedJun 25, 2021
First seenJun 25, 2021
Weakness typeCWE-191CWE-191
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| weidmueller ie-wl-bl-ap-cl-eu_firmware | v ≤ 1.16.18, v ≤ 1.11.10 | — |
| weidmueller ie-wlt-bl-ap-cl-eu_firmware | v ≤ 1.16.18, v ≤ 1.11.10 | — |
| weidmueller ie-wl-bl-ap-cl-us_firmware | v ≤ 1.16.18, v ≤ 1.11.10 | — |
| weidmueller ie-wlt-bl-ap-cl-us_firmware | v ≤ 1.16.18, v ≤ 1.11.10 | — |
| weidmueller ie-wl-vl-ap-br-cl-eu_firmware | v ≤ 1.16.18, v ≤ 1.11.10 | — |
| weidmueller ie-wlt-vl-ap-br-cl-eu_firmware | v ≤ 1.16.18, v ≤ 1.11.10 | — |
| weidmueller ie-wl-vl-ap-br-cl-us_firmware | v ≤ 1.16.18, v ≤ 1.11.10 | — |
| weidmueller ie-wlt-vl-ap-br-cl-us_firmware | v ≤ 1.16.18, v ≤ 1.11.10 | — |
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