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CVE-2024-0576VulnerabilityPublished Updated

CVE-2024-0576: Totolink LR1200GB · Stack-based Buffer Overflow

Affects Totolink LR1200GBSource CVE Database V5

0

Not known to be exploited · CVSS 8.8 High.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.9% chance of exploitation in 30 days – higher than 62% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Jan 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

AI-suggested

1. Immediate network segmentation: Isolate affected Totolink LR1200GB devices from critical network segments to limit potential lateral movement. 2. Disable remote management interfaces, especially access to /cgi-bin/cstecgi.cgi, if possible, to reduce exposure. 3. Monitor network traffic for unusual patterns or attempts to exploit the sPort parameter, employing intrusion detection systems with custom signatures targeting this vulnerability. 4. Replace or upgrade affected devices where feasible, prioritizing models with active vendor support and security updates. 5. Implement strict access controls and network-level firewalls to restrict access to router management interfaces to trusted IPs only. 6. Regularly audit router firmware versions and configurations to identify and remediate vulnerable devices. 7. Engage with Totolink or third-party security providers for potential unofficial patches or mitigations until an official fix is released. 8. Educate IT staff about this vulnerability and ensure incident response plans include detection and containment strategies for router compromises.

Description

A vulnerability was found in Totolink LR1200GB 9.1.0u.6619_B20230130. It has been declared as critical. This vulnerability affects the function setIpPortFilterRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument sPort leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-250792. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

References

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