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CVE-2026-7719

A security flaw has been discovered in Totolink WA300 5.2cu.7112_B20190227. The affected element is the function loginauth of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument http_host results in buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6f849191beda0b082d282b70584ddfb152f901b47a66c8727c3fce69a7f0a062
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:008194197fda0c4dcc6550bfc1b8cb272046cf97c89f9a0aa6459864f1679bba · sha256:5989458a1553aea5… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":9.3,"baseSeverity":"CRITICAL","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:008194197fda0c4dcc6550bfc1b8cb272046cf97c89f9a0aa6459864f1679bba · sha256:5989458a1553aea5… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:008194197fda0c4dcc6550bfc1b8cb272046cf97c89f9a0aa6459864f1679bba · sha256:5989458a1553aea5… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":10,"vectorString":"AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:008194197fda0c4dcc6550bfc1b8cb272046cf97c89f9a0aa6459864f1679bba · sha256:5989458a1553aea5… · /containers/cna/metrics/3/cvssV2_0
cwe · 2 assertions

{"cweId":"CWE-119","description":"Memory Corruption","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:008194197fda0c4dcc6550bfc1b8cb272046cf97c89f9a0aa6459864f1679bba · sha256:5989458a1553aea5… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-120","description":"Buffer Overflow","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:008194197fda0c4dcc6550bfc1b8cb272046cf97c89f9a0aa6459864f1679bba · sha256:5989458a1553aea5… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:o:totolink:wa300_firmware:*:*:*:*:*:*:*:*"],"modules":["POST Request Handler"],"product":"WA300","vendor":"Totolink","versions":[{"status":"affected","version":"5.2cu.7112_B20190227"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:008194197fda0c4dcc6550bfc1b8cb272046cf97c89f9a0aa6459864f1679bba · sha256:5989458a1553aea5… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:008194197fda0c4dcc6550bfc1b8cb272046cf97c89f9a0aa6459864f1679bba · sha256:5989458a1553aea5… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":9.3,"baseSeverity":"CRITICAL","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:008194197fda0c4dcc6550bfc1b8cb272046cf97c89f9a0aa6459864f1679bba · sha256:5989458a1553aea5… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:008194197fda0c4dcc6550bfc1b8cb272046cf97c89f9a0aa6459864f1679bba · sha256:5989458a1553aea5… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":10,"vectorString":"AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:008194197fda0c4dcc6550bfc1b8cb272046cf97c89f9a0aa6459864f1679bba · sha256:5989458a1553aea5… · /containers/cna/metrics/3/cvssV2_0

CWE assertions

2 source assertions
{"cweId":"CWE-119","description":"Memory Corruption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:008194197fda0c4dcc6550bfc1b8cb272046cf97c89f9a0aa6459864f1679bba · sha256:5989458a1553aea5… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-120","description":"Buffer Overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:008194197fda0c4dcc6550bfc1b8cb272046cf97c89f9a0aa6459864f1679bba · sha256:5989458a1553aea5… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["exploit"],"url":"https://lavender-bicycle-a5a.notion.site/TOTOLINK-WA300-loginAuth-34553a41781f8050b8ffc9e90a103cd5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:008194197fda0c4dcc6550bfc1b8cb272046cf97c89f9a0aa6459864f1679bba · sha256:5989458a1553aea5… · /containers/cna/references/3
{"name":"Submit #807197 | Totolink WA300 WA300 V5.2cu.7112_B20190227 Buffer Overflow","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/807197"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:008194197fda0c4dcc6550bfc1b8cb272046cf97c89f9a0aa6459864f1679bba · sha256:5989458a1553aea5… · /containers/cna/references/2
{"name":"VDB-360895 | Totolink WA300 POST Request cstecgi.cgi loginauth buffer overflow","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/360895"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:008194197fda0c4dcc6550bfc1b8cb272046cf97c89f9a0aa6459864f1679bba · sha256:5989458a1553aea5… · /containers/cna/references/0
{"name":"VDB-360895 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/360895/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:008194197fda0c4dcc6550bfc1b8cb272046cf97c89f9a0aa6459864f1679bba · sha256:5989458a1553aea5… · /containers/cna/references/1
{"tags":["product"],"url":"https://www.totolink.net/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:008194197fda0c4dcc6550bfc1b8cb272046cf97c89f9a0aa6459864f1679bba · sha256:5989458a1553aea5… · /containers/cna/references/4

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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