TP-LINK TL-WR841ND popupSiteSurveyRpm.htm stack-based overflow

published 2024-09-27 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-49833

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits: 0; none known

A vulnerability was found in TP-LINK TL-WR841ND up to 20240920. It has been rated as critical. Affected by this issue is some unknown functionality of the file /userRpm/popupSiteSurveyRpm.htm. The manipulation of the argument ssid leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Patch / fix

fixed in 1

tp-link tl-wr841nd_\(11.0\)_firmware 20240920

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-09-27)

Exploit prediction

0.98% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TP-LINK/WR-841ND/popupSiteSurveyRpm.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	7.1	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA	3.0	6.5	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA	2.0	6.8	AV:N/AC:L/Au:S/C:N/I:N/A:C
CNA	4.0	7.1	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

TP-LINK TL-WR841ND
tp-link tl-wr841nd_\(11.0\)_firmware

Classification

Weakness

CWE-121 Stack-based Buffer Overflow

References

github.com /abcdefg-png/IoT-vulnerable/blob/main/TP-LINK/WR-841ND/popupSiteSurveyRpm.md
exploit, broken-link
vuldb.com /?id.278684
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.278684
signature, permissions-required, vdb-entry
vuldb.com /?submit.411526
third-party-advisory, vdb-entry
tp-link.com /
product

Sources

CVE List CVE-2024-9284
NVD CVE-2024-9284

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary