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Live threat feed May 29, 2026 | 06:33 UTC
6643 CVEs This Month
20 Actively Exploited
4 Ransomware Activity
23 Breaches YTD
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Top 10 CVEs This Week

Prioritized using CISA KEV, EPSS, CVSS, and recency.

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CVE-2026-8376 CVSS 9.8 EPSS 0.0004

Perl versions through 5.43.10 have a heap buffer overflow when compiling regular expressions with a repeated fixed string on 32-bit builds. Perl_study_chunk in regcomp_study.c checked the size of the joined substring buffer in characters rather than bytes. For a quantified fixed substring with a large minimum count, the byte length mincount * l could overflow SSize_t, producing an undersized SvGROW allocation; the subsequent copy writes past the end of the buffer. A caller that compiles an attacker-controlled regular expression on a 32-bit perl build triggers a heap buffer overflow at compile time.

Critical severity issue in affected software published this week.

CVE-2026-9436 CVSS 9.8 EPSS 0.0094

A flaw has been found in Totolink A8000RU 7.1cu.643_b20200521. The impacted element is the function setL2tpServerCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument enable can lead to os command injection. The attack can be executed remotely. The exploit has been published and may be used.

Critical severity issue in affected software published this week.

CVE-2026-9405 CVSS 9.8 EPSS 0.0089

A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. This impacts the function setGameSpeedCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Performing a manipulation of the argument enable results in os command injection. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.

Critical severity issue in affected software published this week.

CVE-2026-9406 CVSS 9.8 EPSS 0.0089

A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function setRemoteCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument enable can lead to os command injection. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.

Critical severity issue in affected software published this week.

CVE-2026-9407 CVSS 9.8 EPSS 0.0089

A security vulnerability has been detected in Totolink A8000RU 7.1cu.643_b20200521. Affected by this vulnerability is the function setFirewallType of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument firewallType leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.

Critical severity issue in affected software published this week.

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