PT-2023-3454 · Tp Link · Tp-Link Tl-Wr841N+3
Published
2023-06-20
·
Updated
2023-06-29
·
CVE-2023-36354
CVSS v3.1
7.5
High
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
TP-Link TL-WR940N versions V2, V3, V4
TP-Link TL-WR841N versions V8, V10
TP-Link TL-WR740N versions V1, V2
TP-Link TL-WR941ND versions V5, V6
Description
A buffer overflow was discovered in the /userRpm/AccessCtrlTimeSchedRpm component of TP-Link routers, allowing attackers to cause a Denial of Service (DoS) via a crafted GET request. The vulnerability is related to the "Changed" parameter and can be exploited by sending a specially crafted request, enabling a remote attacker to disrupt service.
Recommendations
For TP-Link TL-WR940N versions V2, V3, V4, consider disabling access to the /userRpm/AccessCtrlTimeSchedRpm component until a patch is available.
For TP-Link TL-WR841N versions V8, V10, restrict access to the vulnerable component to minimize the risk of exploitation.
For TP-Link TL-WR740N versions V1, V2, avoid using the "Changed" parameter in the affected component until the issue is resolved.
For TP-Link TL-WR941ND versions V5, V6, as a temporary workaround, consider disabling the /userRpm/AccessCtrlTimeSchedRpm component until a patch is available.
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Improper Resource Release
Buffer Overflow
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Related Identifiers
Affected Products
Tp-Link Tl-Wr740N
Tp-Link Tl-Wr841N
Tp-Link Tl-Wr940N
Tp-Link Tl-Wr941Nd