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VulnerabilityPublished

CVE-2024-34195: TOTOLINK AC1200 Wireless Router A3002R Firmware · Stack-based Buffer Overflow

Source CVE Database V5

0

Not known to be exploited · CVSS 8.8 High.

Data as of 26 Oct 2026, 14:05 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 60% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 Aug 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 26 Oct 2026.

What to do

AI-suggested

Organizations should immediately assess their use of TOTOLINK AC1200 Wireless Router A3002R devices and verify firmware versions. Since no official patches are currently available, temporary mitigations include restricting remote access to the router’s management interface, especially from untrusted networks, by implementing network segmentation and firewall rules. Disabling remote management features or limiting them to trusted IP addresses can reduce exposure. Monitoring network traffic for unusual patterns or attempts to access the vulnerable CGI endpoints (formWlanRedirect and formWlEncrypt) can help detect exploitation attempts. Vendors and users should prioritize firmware updates once patches are released. Additionally, replacing vulnerable devices with models from vendors with strong security update policies may be considered for long-term risk reduction. Employing network intrusion detection systems (NIDS) with custom signatures targeting this vulnerability’s exploitation patterns can provide early warning. Regular security audits of network infrastructure devices should be conducted to identify and remediate similar vulnerabilities.

Description

TOTOLINK AC1200 Wireless Router A3002R Firmware V1.1.1-B20200824 is vulnerable to Buffer Overflow. In the boa server program's CGI handling function formWlEncrypt, there is a lack of length restriction on the wlan_ssid field. This oversight leads to potential buffer overflow under specific circumstances. For instance, by invoking the formWlanRedirect function with specific parameters to alter wlan_idx's value and subsequently invoking the formWlEncrypt function, an attacker can trigger buffer overflow, enabling arbitrary command execution or denial of service attacks.

References

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