How severe is CVE-2024-1783?

CVE-2024-1783 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-1783 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-1783?

CVE-2024-1783 primarily affects Totolink Lr1200gb Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-1783?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-1783 have an EU (EUVD) identifier?

Yes. CVE-2024-1783 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-17508.

When was CVE-2024-1783 published?

CVE-2024-1783 was published on 2024-02-23 and last updated on 2026-06-17.

CVE-2024-1783

CVE-2024-1783 is a critical-severity vulnerability in Totolink Lr1200gb Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-121.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-17508
Weakness: CWE-121
Affected product: Totolink Lr1200gb Firmware
Published: 2024-02-23
Last modified: 2026-06-17

Description

A vulnerability classified as critical has been found in Totolink LR1200GB 9.1.0u.6619_B20230130/9.3.5u.6698_B20230810. Affected is the function loginAuth of the file /cgi-bin/cstecgi.cgi of the component Web Interface. The manipulation of the argument http_host leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-254574 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2024-1783?: A vulnerability classified as critical has been found in Totolink LR1200GB 9.1.0u.6619_B20230130/9.3.5u.6698_B20230810. Affected is the function loginAuth of the file /cgi-bin/cstecgi.cgi of the component Web Interface. The manipulation of the argument http_host leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-254574 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2024-1783?: CVE-2024-1783 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-1783 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-1783?: CVE-2024-1783 primarily affects Totolink Lr1200gb Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-1783?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-1783 have an EU (EUVD) identifier?: Yes. CVE-2024-1783 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-17508.
When was CVE-2024-1783 published?: CVE-2024-1783 was published on 2024-02-23 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:totolink:lr1200gb_firmware:9.1.0u.6619_b20230130:*:*:*:*:*:*:*
cpe:2.3:o:totolink:lr1200gb_firmware:9.3.5u.6698_b20230810:*:*:*:*:*:*:*

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CVE-2024-0574 — High (CVSS 8.8): A vulnerability was found in Totolink LR1200GB 9.1.0u.6619_B20230130 and classified as critical. Affected by this issue…

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