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CVE-2026-6157

A vulnerability was detected in Totolink A800R 4.1.2cu.5137_B20200730. This impacts the function setAppEasyWizardConfig in the library /lib/cste_modules/app.so. The manipulation of the argument apcliSsid results in buffer overflow. The attack can be executed remotely. The exploit is now public and may be used.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3e8608e3be94507262b13a6dbc801307962f106bf328b5c73a616407880394bc
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":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/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:dd8498ad3cbdeb162e4c4121bbd0c3aa6b7f6b451306cab4803338c11130fc23 · sha256:5c708884df75096e… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":9,"vectorString":"AV:N/AC:L/Au:S/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:dd8498ad3cbdeb162e4c4121bbd0c3aa6b7f6b451306cab4803338c11130fc23 · sha256:5c708884df75096e… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":8.7,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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:dd8498ad3cbdeb162e4c4121bbd0c3aa6b7f6b451306cab4803338c11130fc23 · sha256:5c708884df75096e… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/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:dd8498ad3cbdeb162e4c4121bbd0c3aa6b7f6b451306cab4803338c11130fc23 · sha256:5c708884df75096e… · /containers/cna/metrics/2/cvssV3_0
cwe · 2 assertions

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

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:dd8498ad3cbdeb162e4c4121bbd0c3aa6b7f6b451306cab4803338c11130fc23 · sha256:5c708884df75096e… · /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:dd8498ad3cbdeb162e4c4121bbd0c3aa6b7f6b451306cab4803338c11130fc23 · sha256:5c708884df75096e… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:o:totolink:a800r_firmware:*:*:*:*:*:*:*:*"],"product":"A800R","vendor":"Totolink","versions":[{"status":"affected","version":"4.1.2cu.5137_B20200730"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:dd8498ad3cbdeb162e4c4121bbd0c3aa6b7f6b451306cab4803338c11130fc23 · sha256:5c708884df75096e… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/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:dd8498ad3cbdeb162e4c4121bbd0c3aa6b7f6b451306cab4803338c11130fc23 · sha256:5c708884df75096e… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":9,"vectorString":"AV:N/AC:L/Au:S/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:dd8498ad3cbdeb162e4c4121bbd0c3aa6b7f6b451306cab4803338c11130fc23 · sha256:5c708884df75096e… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":8.7,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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:dd8498ad3cbdeb162e4c4121bbd0c3aa6b7f6b451306cab4803338c11130fc23 · sha256:5c708884df75096e… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/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:dd8498ad3cbdeb162e4c4121bbd0c3aa6b7f6b451306cab4803338c11130fc23 · sha256:5c708884df75096e… · /containers/cna/metrics/2/cvssV3_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:dd8498ad3cbdeb162e4c4121bbd0c3aa6b7f6b451306cab4803338c11130fc23 · sha256:5c708884df75096e… · /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:dd8498ad3cbdeb162e4c4121bbd0c3aa6b7f6b451306cab4803338c11130fc23 · sha256:5c708884df75096e… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["exploit"],"url":"https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A800R/01_Buffer_Overflow_setAppEasyWizardConfig.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:dd8498ad3cbdeb162e4c4121bbd0c3aa6b7f6b451306cab4803338c11130fc23 · sha256:5c708884df75096e… · /containers/cna/references/3
{"name":"Submit #793114 | TOTOLINK A800R V4.1.2cu.5137_B20200730 Buffer Overflow","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/793114"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:dd8498ad3cbdeb162e4c4121bbd0c3aa6b7f6b451306cab4803338c11130fc23 · sha256:5c708884df75096e… · /containers/cna/references/2
{"name":"VDB-357037 | Totolink A800R app.so setAppEasyWizardConfig buffer overflow","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/357037"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:dd8498ad3cbdeb162e4c4121bbd0c3aa6b7f6b451306cab4803338c11130fc23 · sha256:5c708884df75096e… · /containers/cna/references/0
{"name":"VDB-357037 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/357037/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:dd8498ad3cbdeb162e4c4121bbd0c3aa6b7f6b451306cab4803338c11130fc23 · sha256:5c708884df75096e… · /containers/cna/references/1
{"tags":["product"],"url":"https://www.totolink.net/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:dd8498ad3cbdeb162e4c4121bbd0c3aa6b7f6b451306cab4803338c11130fc23 · sha256:5c708884df75096e… · /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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